Home / 22,737.60-31,361.85-13,308.03

Finding the Fourth Proportional to 22,737.60, 31,361.85 and 13,308.03

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Solution

The fourth proportional to 22,737.60, 31,361.85 and 13,308.03 is: 18,355.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,737.60 : 31,361.85 = 13,308.03 : x
  2. Step 2: Convert to fraction form
    22,737.60/31,361.85 = 13,308.03/x
  3. Step 3: Cross multiply
    22,737.60x = 31,361.85 × 13,308.03
  4. Step 4: Simplify right side
    22,737.60x = 417,364,440.66
  5. Step 5: Solve for x
    x = 417,364,440.66/22,737.60
  6. Step 6: Final answer
    x = 18,355.69

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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.