Home / 25,761.03-38,644.79-9,117.15

Finding the Fourth Proportional to 25,761.03, 38,644.79 and 9,117.15

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Solution

The fourth proportional to 25,761.03, 38,644.79 and 9,117.15 is: 13,676.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,761.03 : 38,644.79 = 9,117.15 : x
  2. Step 2: Convert to fraction form
    25,761.03/38,644.79 = 9,117.15/x
  3. Step 3: Cross multiply
    25,761.03x = 38,644.79 × 9,117.15
  4. Step 4: Simplify right side
    25,761.03x = 352,330,301.56
  5. Step 5: Solve for x
    x = 352,330,301.56/25,761.03
  6. Step 6: Final answer
    x = 13,676.87

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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.