Home / 22,902.75-31,607.01-13,469.49

Finding the Fourth Proportional to 22,902.75, 31,607.01 and 13,469.49

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Solution

The fourth proportional to 22,902.75, 31,607.01 and 13,469.49 is: 18,588.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,902.75 : 31,607.01 = 13,469.49 : x
  2. Step 2: Convert to fraction form
    22,902.75/31,607.01 = 13,469.49/x
  3. Step 3: Cross multiply
    22,902.75x = 31,607.01 × 13,469.49
  4. Step 4: Simplify right side
    22,902.75x = 425,730,305.12
  5. Step 5: Solve for x
    x = 425,730,305.12/22,902.75
  6. Step 6: Final answer
    x = 18,588.61

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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.