Home / 15,741.52-23,615.92-5,353.28

Finding the Fourth Proportional to 15,741.52, 23,615.92 and 5,353.28

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Solution

The fourth proportional to 15,741.52, 23,615.92 and 5,353.28 is: 8,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,741.52 : 23,615.92 = 5,353.28 : x
  2. Step 2: Convert to fraction form
    15,741.52/23,615.92 = 5,353.28/x
  3. Step 3: Cross multiply
    15,741.52x = 23,615.92 × 5,353.28
  4. Step 4: Simplify right side
    15,741.52x = 126,422,632.22
  5. Step 5: Solve for x
    x = 126,422,632.22/15,741.52
  6. Step 6: Final answer
    x = 8,031.16

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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.