Home / 18,133.11-25,025.49-12,177.18

Finding the Fourth Proportional to 18,133.11, 25,025.49 and 12,177.18

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Solution

The fourth proportional to 18,133.11, 25,025.49 and 12,177.18 is: 16,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.11 : 25,025.49 = 12,177.18 : x
  2. Step 2: Convert to fraction form
    18,133.11/25,025.49 = 12,177.18/x
  3. Step 3: Cross multiply
    18,133.11x = 25,025.49 × 12,177.18
  4. Step 4: Simplify right side
    18,133.11x = 304,739,896.32
  5. Step 5: Solve for x
    x = 304,739,896.32/18,133.11
  6. Step 6: Final answer
    x = 16,805.72

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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.