Home / 16,711.89-23,061.61-10,001.21

Finding the Fourth Proportional to 16,711.89, 23,061.61 and 10,001.21

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Solution

The fourth proportional to 16,711.89, 23,061.61 and 10,001.21 is: 13,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,711.89 : 23,061.61 = 10,001.21 : x
  2. Step 2: Convert to fraction form
    16,711.89/23,061.61 = 10,001.21/x
  3. Step 3: Cross multiply
    16,711.89x = 23,061.61 × 10,001.21
  4. Step 4: Simplify right side
    16,711.89x = 230,643,901.74
  5. Step 5: Solve for x
    x = 230,643,901.74/16,711.89
  6. Step 6: Final answer
    x = 13,801.19

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Double scale
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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.