Home / 22,902.48-31,599.45-13,209.55

Finding the Fourth Proportional to 22,902.48, 31,599.45 and 13,209.55

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Solution

The fourth proportional to 22,902.48, 31,599.45 and 13,209.55 is: 18,225.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,902.48 : 31,599.45 = 13,209.55 : x
  2. Step 2: Convert to fraction form
    22,902.48/31,599.45 = 13,209.55/x
  3. Step 3: Cross multiply
    22,902.48x = 31,599.45 × 13,209.55
  4. Step 4: Simplify right side
    22,902.48x = 417,414,435.75
  5. Step 5: Solve for x
    x = 417,414,435.75/22,902.48
  6. Step 6: Final answer
    x = 18,225.73

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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.