Home / 16,666.29-22,989.49-11,001.15

Finding the Fourth Proportional to 16,666.29, 22,989.49 and 11,001.15

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Solution

The fourth proportional to 16,666.29, 22,989.49 and 11,001.15 is: 15,174.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,666.29 : 22,989.49 = 11,001.15 : x
  2. Step 2: Convert to fraction form
    16,666.29/22,989.49 = 11,001.15/x
  3. Step 3: Cross multiply
    16,666.29x = 22,989.49 × 11,001.15
  4. Step 4: Simplify right side
    16,666.29x = 252,910,800.41
  5. Step 5: Solve for x
    x = 252,910,800.41/16,666.29
  6. Step 6: Final answer
    x = 15,174.99

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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.