Home / 18,839.76-25,995.84-10,883.04

Finding the Fourth Proportional to 18,839.76, 25,995.84 and 10,883.04

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Solution

The fourth proportional to 18,839.76, 25,995.84 and 10,883.04 is: 15,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.76 : 25,995.84 = 10,883.04 : x
  2. Step 2: Convert to fraction form
    18,839.76/25,995.84 = 10,883.04/x
  3. Step 3: Cross multiply
    18,839.76x = 25,995.84 × 10,883.04
  4. Step 4: Simplify right side
    18,839.76x = 282,913,766.55
  5. Step 5: Solve for x
    x = 282,913,766.55/18,839.76
  6. Step 6: Final answer
    x = 15,016.85

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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.