Home / 27,766.14-38,317.18-15,190.88

Finding the Fourth Proportional to 27,766.14, 38,317.18 and 15,190.88

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Solution

The fourth proportional to 27,766.14, 38,317.18 and 15,190.88 is: 20,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,766.14 : 38,317.18 = 15,190.88 : x
  2. Step 2: Convert to fraction form
    27,766.14/38,317.18 = 15,190.88/x
  3. Step 3: Cross multiply
    27,766.14x = 38,317.18 × 15,190.88
  4. Step 4: Simplify right side
    27,766.14x = 582,071,683.32
  5. Step 5: Solve for x
    x = 582,071,683.32/27,766.14
  6. Step 6: Final answer
    x = 20,963.36

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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.