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Finding the Fourth Proportional to 14,853.70, 20,499.96 and 8,566.12

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Solution

The fourth proportional to 14,853.70, 20,499.96 and 8,566.12 is: 11,822.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,853.70 : 20,499.96 = 8,566.12 : x
  2. Step 2: Convert to fraction form
    14,853.70/20,499.96 = 8,566.12/x
  3. Step 3: Cross multiply
    14,853.70x = 20,499.96 × 8,566.12
  4. Step 4: Simplify right side
    14,853.70x = 175,605,117.36
  5. Step 5: Solve for x
    x = 175,605,117.36/14,853.70
  6. Step 6: Final answer
    x = 11,822.31

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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.