Home / 24,425.70-36,529.20-20,489.10

Finding the Fourth Proportional to 24,425.70, 36,529.20 and 20,489.10

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Solution

The fourth proportional to 24,425.70, 36,529.20 and 20,489.10 is: 30,641.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,425.70 : 36,529.20 = 20,489.10 : x
  2. Step 2: Convert to fraction form
    24,425.70/36,529.20 = 20,489.10/x
  3. Step 3: Cross multiply
    24,425.70x = 36,529.20 × 20,489.10
  4. Step 4: Simplify right side
    24,425.70x = 748,450,431.72
  5. Step 5: Solve for x
    x = 748,450,431.72/24,425.70
  6. Step 6: Final answer
    x = 30,641.92

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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.