Home / 25,523.60-38,229.72-12,348.08

Finding the Fourth Proportional to 25,523.60, 38,229.72 and 12,348.08

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Solution

The fourth proportional to 25,523.60, 38,229.72 and 12,348.08 is: 18,495.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,523.60 : 38,229.72 = 12,348.08 : x
  2. Step 2: Convert to fraction form
    25,523.60/38,229.72 = 12,348.08/x
  3. Step 3: Cross multiply
    25,523.60x = 38,229.72 × 12,348.08
  4. Step 4: Simplify right side
    25,523.60x = 472,063,640.94
  5. Step 5: Solve for x
    x = 472,063,640.94/25,523.60
  6. Step 6: Final answer
    x = 18,495.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.