Home / 24,505.20-36,782.10-12,039.30

Finding the Fourth Proportional to 24,505.20, 36,782.10 and 12,039.30

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Solution

The fourth proportional to 24,505.20, 36,782.10 and 12,039.30 is: 18,070.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,505.20 : 36,782.10 = 12,039.30 : x
  2. Step 2: Convert to fraction form
    24,505.20/36,782.10 = 12,039.30/x
  3. Step 3: Cross multiply
    24,505.20x = 36,782.10 × 12,039.30
  4. Step 4: Simplify right side
    24,505.20x = 442,830,736.53
  5. Step 5: Solve for x
    x = 442,830,736.53/24,505.20
  6. Step 6: Final answer
    x = 18,070.89

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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.