Home / 26,676.93-39,928.49-19,654.17

Finding the Fourth Proportional to 26,676.93, 39,928.49 and 19,654.17

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Solution

The fourth proportional to 26,676.93, 39,928.49 and 19,654.17 is: 29,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,676.93 : 39,928.49 = 19,654.17 : x
  2. Step 2: Convert to fraction form
    26,676.93/39,928.49 = 19,654.17/x
  3. Step 3: Cross multiply
    26,676.93x = 39,928.49 × 19,654.17
  4. Step 4: Simplify right side
    26,676.93x = 784,761,330.30
  5. Step 5: Solve for x
    x = 784,761,330.30/26,676.93
  6. Step 6: Final answer
    x = 29,417.23

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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.