Home / 27,125.19-37,434.15-15,187.77

Finding the Fourth Proportional to 27,125.19, 37,434.15 and 15,187.77

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Solution

The fourth proportional to 27,125.19, 37,434.15 and 15,187.77 is: 20,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.19 : 37,434.15 = 15,187.77 : x
  2. Step 2: Convert to fraction form
    27,125.19/37,434.15 = 15,187.77/x
  3. Step 3: Cross multiply
    27,125.19x = 37,434.15 × 15,187.77
  4. Step 4: Simplify right side
    27,125.19x = 568,541,260.35
  5. Step 5: Solve for x
    x = 568,541,260.35/27,125.19
  6. Step 6: Final answer
    x = 20,959.90

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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.