Home / 18,146.54-25,035.78-11,862.56

Finding the Fourth Proportional to 18,146.54, 25,035.78 and 11,862.56

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Solution

The fourth proportional to 18,146.54, 25,035.78 and 11,862.56 is: 16,366.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.54 : 25,035.78 = 11,862.56 : x
  2. Step 2: Convert to fraction form
    18,146.54/25,035.78 = 11,862.56/x
  3. Step 3: Cross multiply
    18,146.54x = 25,035.78 × 11,862.56
  4. Step 4: Simplify right side
    18,146.54x = 296,988,442.40
  5. Step 5: Solve for x
    x = 296,988,442.40/18,146.54
  6. Step 6: Final answer
    x = 16,366.12

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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.