Home / 17,639.52-26,454.80-6,540.08

Finding the Fourth Proportional to 17,639.52, 26,454.80 and 6,540.08

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Solution

The fourth proportional to 17,639.52, 26,454.80 and 6,540.08 is: 9,808.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.52 : 26,454.80 = 6,540.08 : x
  2. Step 2: Convert to fraction form
    17,639.52/26,454.80 = 6,540.08/x
  3. Step 3: Cross multiply
    17,639.52x = 26,454.80 × 6,540.08
  4. Step 4: Simplify right side
    17,639.52x = 173,016,508.38
  5. Step 5: Solve for x
    x = 173,016,508.38/17,639.52
  6. Step 6: Final answer
    x = 9,808.46

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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.