Home / 27,680.01-38,198.28-15,104.76

Finding the Fourth Proportional to 27,680.01, 38,198.28 and 15,104.76

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Solution

The fourth proportional to 27,680.01, 38,198.28 and 15,104.76 is: 20,844.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680.01 : 38,198.28 = 15,104.76 : x
  2. Step 2: Convert to fraction form
    27,680.01/38,198.28 = 15,104.76/x
  3. Step 3: Cross multiply
    27,680.01x = 38,198.28 × 15,104.76
  4. Step 4: Simplify right side
    27,680.01x = 576,975,851.81
  5. Step 5: Solve for x
    x = 576,975,851.81/27,680.01
  6. Step 6: Final answer
    x = 20,844.50

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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.