Home / 15,419.52-23,129.28-5,031.04

Finding the Fourth Proportional to 15,419.52, 23,129.28 and 5,031.04

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Solution

The fourth proportional to 15,419.52, 23,129.28 and 5,031.04 is: 7,546.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.52 : 23,129.28 = 5,031.04 : x
  2. Step 2: Convert to fraction form
    15,419.52/23,129.28 = 5,031.04/x
  3. Step 3: Cross multiply
    15,419.52x = 23,129.28 × 5,031.04
  4. Step 4: Simplify right side
    15,419.52x = 116,364,332.85
  5. Step 5: Solve for x
    x = 116,364,332.85/15,419.52
  6. Step 6: Final answer
    x = 7,546.56

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1.5x scale

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.