Home / 25,041.20-37,507.22-12,539.42

Finding the Fourth Proportional to 25,041.20, 37,507.22 and 12,539.42

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Solution

The fourth proportional to 25,041.20, 37,507.22 and 12,539.42 is: 18,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,041.20 : 37,507.22 = 12,539.42 : x
  2. Step 2: Convert to fraction form
    25,041.20/37,507.22 = 12,539.42/x
  3. Step 3: Cross multiply
    25,041.20x = 37,507.22 × 12,539.42
  4. Step 4: Simplify right side
    25,041.20x = 470,318,721.92
  5. Step 5: Solve for x
    x = 470,318,721.92/25,041.20
  6. Step 6: Final answer
    x = 18,781.80

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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.