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Finding the Fourth Proportional to 14,893.98, 20,555.34 and 8,521.17

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Solution

The fourth proportional to 14,893.98, 20,555.34 and 8,521.17 is: 11,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,893.98 : 20,555.34 = 8,521.17 : x
  2. Step 2: Convert to fraction form
    14,893.98/20,555.34 = 8,521.17/x
  3. Step 3: Cross multiply
    14,893.98x = 20,555.34 × 8,521.17
  4. Step 4: Simplify right side
    14,893.98x = 175,155,546.55
  5. Step 5: Solve for x
    x = 175,155,546.55/14,893.98
  6. Step 6: Final answer
    x = 11,760.16

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Half scale
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Double scale
Find fourth proportional to 14,894.98, 20,556.72 and 8,522.17
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.