Home / 27,158.76-37,439.84-19,067.78

Finding the Fourth Proportional to 27,158.76, 37,439.84 and 19,067.78

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Solution

The fourth proportional to 27,158.76, 37,439.84 and 19,067.78 is: 26,285.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,158.76 : 37,439.84 = 19,067.78 : x
  2. Step 2: Convert to fraction form
    27,158.76/37,439.84 = 19,067.78/x
  3. Step 3: Cross multiply
    27,158.76x = 37,439.84 × 19,067.78
  4. Step 4: Simplify right side
    27,158.76x = 713,894,773.62
  5. Step 5: Solve for x
    x = 713,894,773.62/27,158.76
  6. Step 6: Final answer
    x = 26,285.99

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Half scale
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Double scale
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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.