Home / 25,516.64-38,292.36-8,876.49

Finding the Fourth Proportional to 25,516.64, 38,292.36 and 8,876.49

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Solution

The fourth proportional to 25,516.64, 38,292.36 and 8,876.49 is: 13,320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,516.64 : 38,292.36 = 8,876.49 : x
  2. Step 2: Convert to fraction form
    25,516.64/38,292.36 = 8,876.49/x
  3. Step 3: Cross multiply
    25,516.64x = 38,292.36 × 8,876.49
  4. Step 4: Simplify right side
    25,516.64x = 339,901,750.62
  5. Step 5: Solve for x
    x = 339,901,750.62/25,516.64
  6. Step 6: Final answer
    x = 13,320.79

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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.