Home / 17,637.50-26,456.40-4,489.88

Finding the Fourth Proportional to 17,637.50, 26,456.40 and 4,489.88

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Solution

The fourth proportional to 17,637.50, 26,456.40 and 4,489.88 is: 6,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,637.50 : 26,456.40 = 4,489.88 : x
  2. Step 2: Convert to fraction form
    17,637.50/26,456.40 = 4,489.88/x
  3. Step 3: Cross multiply
    17,637.50x = 26,456.40 × 4,489.88
  4. Step 4: Simplify right side
    17,637.50x = 118,785,928.95
  5. Step 5: Solve for x
    x = 118,785,928.95/17,637.50
  6. Step 6: Final answer
    x = 6,734.85

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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.