Home / 48,348.14-72,520.38-13,286.88

Finding the Fourth Proportional to 48,348.14, 72,520.38 and 13,286.88

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Solution

The fourth proportional to 48,348.14, 72,520.38 and 13,286.88 is: 19,929.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,348.14 : 72,520.38 = 13,286.88 : x
  2. Step 2: Convert to fraction form
    48,348.14/72,520.38 = 13,286.88/x
  3. Step 3: Cross multiply
    48,348.14x = 72,520.38 × 13,286.88
  4. Step 4: Simplify right side
    48,348.14x = 963,569,586.61
  5. Step 5: Solve for x
    x = 963,569,586.61/48,348.14
  6. Step 6: Final answer
    x = 19,929.82

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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.