Home / 38,254.60-57,364.62-13,631.24

Finding the Fourth Proportional to 38,254.60, 57,364.62 and 13,631.24

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Solution

The fourth proportional to 38,254.60, 57,364.62 and 13,631.24 is: 20,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,254.60 : 57,364.62 = 13,631.24 : x
  2. Step 2: Convert to fraction form
    38,254.60/57,364.62 = 13,631.24/x
  3. Step 3: Cross multiply
    38,254.60x = 57,364.62 × 13,631.24
  4. Step 4: Simplify right side
    38,254.60x = 781,950,902.73
  5. Step 5: Solve for x
    x = 781,950,902.73/38,254.60
  6. Step 6: Final answer
    x = 20,440.70

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1.5x scale

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.