Home / 18,247.93-25,177.83-11,077.66

Finding the Fourth Proportional to 18,247.93, 25,177.83 and 11,077.66

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Solution

The fourth proportional to 18,247.93, 25,177.83 and 11,077.66 is: 15,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.93 : 25,177.83 = 11,077.66 : x
  2. Step 2: Convert to fraction form
    18,247.93/25,177.83 = 11,077.66/x
  3. Step 3: Cross multiply
    18,247.93x = 25,177.83 × 11,077.66
  4. Step 4: Simplify right side
    18,247.93x = 278,911,471.75
  5. Step 5: Solve for x
    x = 278,911,471.75/18,247.93
  6. Step 6: Final answer
    x = 15,284.56

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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.