Home / 27,633.97-38,148.51-19,142.56

Finding the Fourth Proportional to 27,633.97, 38,148.51 and 19,142.56

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Solution

The fourth proportional to 27,633.97, 38,148.51 and 19,142.56 is: 26,426.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,633.97 : 38,148.51 = 19,142.56 : x
  2. Step 2: Convert to fraction form
    27,633.97/38,148.51 = 19,142.56/x
  3. Step 3: Cross multiply
    27,633.97x = 38,148.51 × 19,142.56
  4. Step 4: Simplify right side
    27,633.97x = 730,260,141.59
  5. Step 5: Solve for x
    x = 730,260,141.59/27,633.97
  6. Step 6: Final answer
    x = 26,426.18

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Half 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.