Home / 26,270.64-39,422.52-17,511.84

Finding the Fourth Proportional to 26,270.64, 39,422.52 and 17,511.84

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Solution

The fourth proportional to 26,270.64, 39,422.52 and 17,511.84 is: 26,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,270.64 : 39,422.52 = 17,511.84 : x
  2. Step 2: Convert to fraction form
    26,270.64/39,422.52 = 17,511.84/x
  3. Step 3: Cross multiply
    26,270.64x = 39,422.52 × 17,511.84
  4. Step 4: Simplify right side
    26,270.64x = 690,360,862.64
  5. Step 5: Solve for x
    x = 690,360,862.64/26,270.64
  6. Step 6: Final answer
    x = 26,278.80

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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.