Home / 22,724.85-31,361.80-13,773.20

Finding the Fourth Proportional to 22,724.85, 31,361.80 and 13,773.20

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Solution

The fourth proportional to 22,724.85, 31,361.80 and 13,773.20 is: 19,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,724.85 : 31,361.80 = 13,773.20 : x
  2. Step 2: Convert to fraction form
    22,724.85/31,361.80 = 13,773.20/x
  3. Step 3: Cross multiply
    22,724.85x = 31,361.80 × 13,773.20
  4. Step 4: Simplify right side
    22,724.85x = 431,952,343.76
  5. Step 5: Solve for x
    x = 431,952,343.76/22,724.85
  6. Step 6: Final answer
    x = 19,007.93

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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.