Home / 18,135.92-25,021.32-10,177.04

Finding the Fourth Proportional to 18,135.92, 25,021.32 and 10,177.04

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Solution

The fourth proportional to 18,135.92, 25,021.32 and 10,177.04 is: 14,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135.92 : 25,021.32 = 10,177.04 : x
  2. Step 2: Convert to fraction form
    18,135.92/25,021.32 = 10,177.04/x
  3. Step 3: Cross multiply
    18,135.92x = 25,021.32 × 10,177.04
  4. Step 4: Simplify right side
    18,135.92x = 254,642,974.49
  5. Step 5: Solve for x
    x = 254,642,974.49/18,135.92
  6. Step 6: Final answer
    x = 14,040.81

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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.