Home / 22,729.24-31,366.02-13,165.48

Finding the Fourth Proportional to 22,729.24, 31,366.02 and 13,165.48

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Solution

The fourth proportional to 22,729.24, 31,366.02 and 13,165.48 is: 18,168.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,729.24 : 31,366.02 = 13,165.48 : x
  2. Step 2: Convert to fraction form
    22,729.24/31,366.02 = 13,165.48/x
  3. Step 3: Cross multiply
    22,729.24x = 31,366.02 × 13,165.48
  4. Step 4: Simplify right side
    22,729.24x = 412,948,708.99
  5. Step 5: Solve for x
    x = 412,948,708.99/22,729.24
  6. Step 6: Final answer
    x = 18,168.17

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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.