Home / 22,860.17-31,553.36-13,301.90

Finding the Fourth Proportional to 22,860.17, 31,553.36 and 13,301.90

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Solution

The fourth proportional to 22,860.17, 31,553.36 and 13,301.90 is: 18,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,860.17 : 31,553.36 = 13,301.90 : x
  2. Step 2: Convert to fraction form
    22,860.17/31,553.36 = 13,301.90/x
  3. Step 3: Cross multiply
    22,860.17x = 31,553.36 × 13,301.90
  4. Step 4: Simplify right side
    22,860.17x = 419,719,415.11
  5. Step 5: Solve for x
    x = 419,719,415.11/22,860.17
  6. Step 6: Final answer
    x = 18,360.30

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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.