Home / 25,189.12-37,786.15-9,390.47

Finding the Fourth Proportional to 25,189.12, 37,786.15 and 9,390.47

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Solution

The fourth proportional to 25,189.12, 37,786.15 and 9,390.47 is: 14,086.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,189.12 : 37,786.15 = 9,390.47 : x
  2. Step 2: Convert to fraction form
    25,189.12/37,786.15 = 9,390.47/x
  3. Step 3: Cross multiply
    25,189.12x = 37,786.15 × 9,390.47
  4. Step 4: Simplify right side
    25,189.12x = 354,829,472.11
  5. Step 5: Solve for x
    x = 354,829,472.11/25,189.12
  6. Step 6: Final answer
    x = 14,086.62

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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.