Home / 19,910.61-27,472.23-11,522.25

Finding the Fourth Proportional to 19,910.61, 27,472.23 and 11,522.25

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Solution

The fourth proportional to 19,910.61, 27,472.23 and 11,522.25 is: 15,898.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.61 : 27,472.23 = 11,522.25 : x
  2. Step 2: Convert to fraction form
    19,910.61/27,472.23 = 11,522.25/x
  3. Step 3: Cross multiply
    19,910.61x = 27,472.23 × 11,522.25
  4. Step 4: Simplify right side
    19,910.61x = 316,541,902.12
  5. Step 5: Solve for x
    x = 316,541,902.12/19,910.61
  6. Step 6: Final answer
    x = 15,898.15

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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.