Home / 17,862.60-26,788.84-6,761.15

Finding the Fourth Proportional to 17,862.60, 26,788.84 and 6,761.15

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Solution

The fourth proportional to 17,862.60, 26,788.84 and 6,761.15 is: 10,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,862.60 : 26,788.84 = 6,761.15 : x
  2. Step 2: Convert to fraction form
    17,862.60/26,788.84 = 6,761.15/x
  3. Step 3: Cross multiply
    17,862.60x = 26,788.84 × 6,761.15
  4. Step 4: Simplify right side
    17,862.60x = 181,123,214.72
  5. Step 5: Solve for x
    x = 181,123,214.72/17,862.60
  6. Step 6: Final answer
    x = 10,139.80

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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.