Home / 18,324.27-25,283.13-11,154.11

Finding the Fourth Proportional to 18,324.27, 25,283.13 and 11,154.11

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Solution

The fourth proportional to 18,324.27, 25,283.13 and 11,154.11 is: 15,390.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.27 : 25,283.13 = 11,154.11 : x
  2. Step 2: Convert to fraction form
    18,324.27/25,283.13 = 11,154.11/x
  3. Step 3: Cross multiply
    18,324.27x = 25,283.13 × 11,154.11
  4. Step 4: Simplify right side
    18,324.27x = 282,010,918.20
  5. Step 5: Solve for x
    x = 282,010,918.20/18,324.27
  6. Step 6: Final answer
    x = 15,390.02

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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.