Home / 18,283.46-25,232.31-11,118.42

Finding the Fourth Proportional to 18,283.46, 25,232.31 and 11,118.42

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Solution

The fourth proportional to 18,283.46, 25,232.31 and 11,118.42 is: 15,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.46 : 25,232.31 = 11,118.42 : x
  2. Step 2: Convert to fraction form
    18,283.46/25,232.31 = 11,118.42/x
  3. Step 3: Cross multiply
    18,283.46x = 25,232.31 × 11,118.42
  4. Step 4: Simplify right side
    18,283.46x = 280,543,420.15
  5. Step 5: Solve for x
    x = 280,543,420.15/18,283.46
  6. Step 6: Final answer
    x = 15,344.11

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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.