Home / 24,426.20-36,712.20-21,218.60

Finding the Fourth Proportional to 24,426.20, 36,712.20 and 21,218.60

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Solution

The fourth proportional to 24,426.20, 36,712.20 and 21,218.60 is: 31,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,426.20 : 36,712.20 = 21,218.60 : x
  2. Step 2: Convert to fraction form
    24,426.20/36,712.20 = 21,218.60/x
  3. Step 3: Cross multiply
    24,426.20x = 36,712.20 × 21,218.60
  4. Step 4: Simplify right side
    24,426.20x = 778,981,486.92
  5. Step 5: Solve for x
    x = 778,981,486.92/24,426.20
  6. Step 6: Final answer
    x = 31,891.23

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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.