Home / 25,147.20-37,720.80-9,562.80

Finding the Fourth Proportional to 25,147.20, 37,720.80 and 9,562.80

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Solution

The fourth proportional to 25,147.20, 37,720.80 and 9,562.80 is: 14,344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,147.20 : 37,720.80 = 9,562.80 : x
  2. Step 2: Convert to fraction form
    25,147.20/37,720.80 = 9,562.80/x
  3. Step 3: Cross multiply
    25,147.20x = 37,720.80 × 9,562.80
  4. Step 4: Simplify right side
    25,147.20x = 360,716,466.24
  5. Step 5: Solve for x
    x = 360,716,466.24/25,147.20
  6. Step 6: Final answer
    x = 14,344.20

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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.