Home / 25,654.40-38,494.91-19,412.54

Finding the Fourth Proportional to 25,654.40, 38,494.91 and 19,412.54

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Solution

The fourth proportional to 25,654.40, 38,494.91 and 19,412.54 is: 29,128.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,654.40 : 38,494.91 = 19,412.54 : x
  2. Step 2: Convert to fraction form
    25,654.40/38,494.91 = 19,412.54/x
  3. Step 3: Cross multiply
    25,654.40x = 38,494.91 × 19,412.54
  4. Step 4: Simplify right side
    25,654.40x = 747,283,980.17
  5. Step 5: Solve for x
    x = 747,283,980.17/25,654.40
  6. Step 6: Final answer
    x = 29,128.88

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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.