Home / 27,701.73-38,228.25-15,126.48

Finding the Fourth Proportional to 27,701.73, 38,228.25 and 15,126.48

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Solution

The fourth proportional to 27,701.73, 38,228.25 and 15,126.48 is: 20,874.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,701.73 : 38,228.25 = 15,126.48 : x
  2. Step 2: Convert to fraction form
    27,701.73/38,228.25 = 15,126.48/x
  3. Step 3: Cross multiply
    27,701.73x = 38,228.25 × 15,126.48
  4. Step 4: Simplify right side
    27,701.73x = 578,258,915.78
  5. Step 5: Solve for x
    x = 578,258,915.78/27,701.73
  6. Step 6: Final answer
    x = 20,874.47

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Half scale
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Double scale
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Similar ratio
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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.