Home / 18,432.77-27,648.54-10,116.70

Finding the Fourth Proportional to 18,432.77, 27,648.54 and 10,116.70

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Solution

The fourth proportional to 18,432.77, 27,648.54 and 10,116.70 is: 15,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432.77 : 27,648.54 = 10,116.70 : x
  2. Step 2: Convert to fraction form
    18,432.77/27,648.54 = 10,116.70/x
  3. Step 3: Cross multiply
    18,432.77x = 27,648.54 × 10,116.70
  4. Step 4: Simplify right side
    18,432.77x = 279,711,915.50
  5. Step 5: Solve for x
    x = 279,711,915.50/18,432.77
  6. Step 6: Final answer
    x = 15,174.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.