Home / 24,376.20-36,564.30-20,439.60

Finding the Fourth Proportional to 24,376.20, 36,564.30 and 20,439.60

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Solution

The fourth proportional to 24,376.20, 36,564.30 and 20,439.60 is: 30,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,376.20 : 36,564.30 = 20,439.60 : x
  2. Step 2: Convert to fraction form
    24,376.20/36,564.30 = 20,439.60/x
  3. Step 3: Cross multiply
    24,376.20x = 36,564.30 × 20,439.60
  4. Step 4: Simplify right side
    24,376.20x = 747,359,666.28
  5. Step 5: Solve for x
    x = 747,359,666.28/24,376.20
  6. Step 6: Final answer
    x = 30,659.40

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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.