Home / 18,135.73-25,027.34-10,177.97

Finding the Fourth Proportional to 18,135.73, 25,027.34 and 10,177.97

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Solution

The fourth proportional to 18,135.73, 25,027.34 and 10,177.97 is: 14,045.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135.73 : 25,027.34 = 10,177.97 : x
  2. Step 2: Convert to fraction form
    18,135.73/25,027.34 = 10,177.97/x
  3. Step 3: Cross multiply
    18,135.73x = 25,027.34 × 10,177.97
  4. Step 4: Simplify right side
    18,135.73x = 254,727,339.67
  5. Step 5: Solve for x
    x = 254,727,339.67/18,135.73
  6. Step 6: Final answer
    x = 14,045.61

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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.