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Finding the Fourth Proportional to 14,706.20, 20,294.92 and 7,992.22

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Solution

The fourth proportional to 14,706.20, 20,294.92 and 7,992.22 is: 11,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,706.20 : 20,294.92 = 7,992.22 : x
  2. Step 2: Convert to fraction form
    14,706.20/20,294.92 = 7,992.22/x
  3. Step 3: Cross multiply
    14,706.20x = 20,294.92 × 7,992.22
  4. Step 4: Simplify right side
    14,706.20x = 162,201,465.52
  5. Step 5: Solve for x
    x = 162,201,465.52/14,706.20
  6. Step 6: Final answer
    x = 11,029.46

Related Problems

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Half scale
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Double scale
Find fourth proportional to 14,707.20, 20,296.30 and 7,993.22
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.