Home / 25,621.13-38,432.87-7,850.52

Finding the Fourth Proportional to 25,621.13, 38,432.87 and 7,850.52

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Solution

The fourth proportional to 25,621.13, 38,432.87 and 7,850.52 is: 11,776.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,621.13 : 38,432.87 = 7,850.52 : x
  2. Step 2: Convert to fraction form
    25,621.13/38,432.87 = 7,850.52/x
  3. Step 3: Cross multiply
    25,621.13x = 38,432.87 × 7,850.52
  4. Step 4: Simplify right side
    25,621.13x = 301,718,014.59
  5. Step 5: Solve for x
    x = 301,718,014.59/25,621.13
  6. Step 6: Final answer
    x = 11,776.14

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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.