Home / 25,418.24-38,132.15-9,628

Finding the Fourth Proportional to 25,418.24, 38,132.15 and 9,628

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Solution

The fourth proportional to 25,418.24, 38,132.15 and 9,628 is: 14,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,418.24 : 38,132.15 = 9,628 : x
  2. Step 2: Convert to fraction form
    25,418.24/38,132.15 = 9,628/x
  3. Step 3: Cross multiply
    25,418.24x = 38,132.15 × 9,628
  4. Step 4: Simplify right side
    25,418.24x = 367,136,340.20
  5. Step 5: Solve for x
    x = 367,136,340.20/25,418.24
  6. Step 6: Final answer
    x = 14,443.81

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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.