Home / 18,133.38-25,025.58-10,177.20

Finding the Fourth Proportional to 18,133.38, 25,025.58 and 10,177.20

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Solution

The fourth proportional to 18,133.38, 25,025.58 and 10,177.20 is: 14,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.38 : 25,025.58 = 10,177.20 : x
  2. Step 2: Convert to fraction form
    18,133.38/25,025.58 = 10,177.20/x
  3. Step 3: Cross multiply
    18,133.38x = 25,025.58 × 10,177.20
  4. Step 4: Simplify right side
    18,133.38x = 254,690,332.78
  5. Step 5: Solve for x
    x = 254,690,332.78/18,133.38
  6. Step 6: Final answer
    x = 14,045.39

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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.