Home / 24,520.40-36,780.60-9,721.70

Finding the Fourth Proportional to 24,520.40, 36,780.60 and 9,721.70

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Solution

The fourth proportional to 24,520.40, 36,780.60 and 9,721.70 is: 14,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,520.40 : 36,780.60 = 9,721.70 : x
  2. Step 2: Convert to fraction form
    24,520.40/36,780.60 = 9,721.70/x
  3. Step 3: Cross multiply
    24,520.40x = 36,780.60 × 9,721.70
  4. Step 4: Simplify right side
    24,520.40x = 357,569,959.02
  5. Step 5: Solve for x
    x = 357,569,959.02/24,520.40
  6. Step 6: Final answer
    x = 14,582.55

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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.