Home / 19,882.22-29,813.79-11,564.46

Finding the Fourth Proportional to 19,882.22, 29,813.79 and 11,564.46

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Solution

The fourth proportional to 19,882.22, 29,813.79 and 11,564.46 is: 17,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,882.22 : 29,813.79 = 11,564.46 : x
  2. Step 2: Convert to fraction form
    19,882.22/29,813.79 = 11,564.46/x
  3. Step 3: Cross multiply
    19,882.22x = 29,813.79 × 11,564.46
  4. Step 4: Simplify right side
    19,882.22x = 344,780,381.90
  5. Step 5: Solve for x
    x = 344,780,381.90/19,882.22
  6. Step 6: Final answer
    x = 17,341.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.