Home / 22,724.52-31,361.55-13,166.99

Finding the Fourth Proportional to 22,724.52, 31,361.55 and 13,166.99

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Solution

The fourth proportional to 22,724.52, 31,361.55 and 13,166.99 is: 18,171.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,724.52 : 31,361.55 = 13,166.99 : x
  2. Step 2: Convert to fraction form
    22,724.52/31,361.55 = 13,166.99/x
  3. Step 3: Cross multiply
    22,724.52x = 31,361.55 × 13,166.99
  4. Step 4: Simplify right side
    22,724.52x = 412,937,126.66
  5. Step 5: Solve for x
    x = 412,937,126.66/22,724.52
  6. Step 6: Final answer
    x = 18,171.44

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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.