Home / 15,272.38-22,911.06-5,409.52

Finding the Fourth Proportional to 15,272.38, 22,911.06 and 5,409.52

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Solution

The fourth proportional to 15,272.38, 22,911.06 and 5,409.52 is: 8,115.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,272.38 : 22,911.06 = 5,409.52 : x
  2. Step 2: Convert to fraction form
    15,272.38/22,911.06 = 5,409.52/x
  3. Step 3: Cross multiply
    15,272.38x = 22,911.06 × 5,409.52
  4. Step 4: Simplify right side
    15,272.38x = 123,937,837.29
  5. Step 5: Solve for x
    x = 123,937,837.29/15,272.38
  6. Step 6: Final answer
    x = 8,115.16

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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.