Home / 24,379.90-36,569.85-8,581.21

Finding the Fourth Proportional to 24,379.90, 36,569.85 and 8,581.21

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Solution

The fourth proportional to 24,379.90, 36,569.85 and 8,581.21 is: 12,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,379.90 : 36,569.85 = 8,581.21 : x
  2. Step 2: Convert to fraction form
    24,379.90/36,569.85 = 8,581.21/x
  3. Step 3: Cross multiply
    24,379.90x = 36,569.85 × 8,581.21
  4. Step 4: Simplify right side
    24,379.90x = 313,813,519.61
  5. Step 5: Solve for x
    x = 313,813,519.61/24,379.90
  6. Step 6: Final answer
    x = 12,871.81

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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.