Home / 25,747.88-38,622.05-10,165.50

Finding the Fourth Proportional to 25,747.88, 38,622.05 and 10,165.50

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Solution

The fourth proportional to 25,747.88, 38,622.05 and 10,165.50 is: 15,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,747.88 : 38,622.05 = 10,165.50 : x
  2. Step 2: Convert to fraction form
    25,747.88/38,622.05 = 10,165.50/x
  3. Step 3: Cross multiply
    25,747.88x = 38,622.05 × 10,165.50
  4. Step 4: Simplify right side
    25,747.88x = 392,612,398.45
  5. Step 5: Solve for x
    x = 392,612,398.45/25,747.88
  6. Step 6: Final answer
    x = 15,248.34

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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.