Home / 25,747.92-35,548.18-19,767.68

Finding the Fourth Proportional to 25,747.92, 35,548.18 and 19,767.68

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Solution

The fourth proportional to 25,747.92, 35,548.18 and 19,767.68 is: 27,291.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,747.92 : 35,548.18 = 19,767.68 : x
  2. Step 2: Convert to fraction form
    25,747.92/35,548.18 = 19,767.68/x
  3. Step 3: Cross multiply
    25,747.92x = 35,548.18 × 19,767.68
  4. Step 4: Simplify right side
    25,747.92x = 702,705,046.82
  5. Step 5: Solve for x
    x = 702,705,046.82/25,747.92
  6. Step 6: Final answer
    x = 27,291.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.