Home / 24,438.20-36,542.10-18,217.40

Finding the Fourth Proportional to 24,438.20, 36,542.10 and 18,217.40

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Solution

The fourth proportional to 24,438.20, 36,542.10 and 18,217.40 is: 27,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,438.20 : 36,542.10 = 18,217.40 : x
  2. Step 2: Convert to fraction form
    24,438.20/36,542.10 = 18,217.40/x
  3. Step 3: Cross multiply
    24,438.20x = 36,542.10 × 18,217.40
  4. Step 4: Simplify right side
    24,438.20x = 665,702,052.54
  5. Step 5: Solve for x
    x = 665,702,052.54/24,438.20
  6. Step 6: Final answer
    x = 27,240.22

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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.