Home / 24,374.20-36,561.30-20,615.80

Finding the Fourth Proportional to 24,374.20, 36,561.30 and 20,615.80

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Solution

The fourth proportional to 24,374.20, 36,561.30 and 20,615.80 is: 30,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,374.20 : 36,561.30 = 20,615.80 : x
  2. Step 2: Convert to fraction form
    24,374.20/36,561.30 = 20,615.80/x
  3. Step 3: Cross multiply
    24,374.20x = 36,561.30 × 20,615.80
  4. Step 4: Simplify right side
    24,374.20x = 753,740,448.54
  5. Step 5: Solve for x
    x = 753,740,448.54/24,374.20
  6. Step 6: Final answer
    x = 30,923.70

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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.