Home / 24,084.15-36,131.71-12,990.59

Finding the Fourth Proportional to 24,084.15, 36,131.71 and 12,990.59

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Solution

The fourth proportional to 24,084.15, 36,131.71 and 12,990.59 is: 19,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,084.15 : 36,131.71 = 12,990.59 : x
  2. Step 2: Convert to fraction form
    24,084.15/36,131.71 = 12,990.59/x
  3. Step 3: Cross multiply
    24,084.15x = 36,131.71 × 12,990.59
  4. Step 4: Simplify right side
    24,084.15x = 469,372,230.61
  5. Step 5: Solve for x
    x = 469,372,230.61/24,084.15
  6. Step 6: Final answer
    x = 19,488.85

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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.