Home / 18,470.44-25,498.38-11,400.76

Finding the Fourth Proportional to 18,470.44, 25,498.38 and 11,400.76

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Solution

The fourth proportional to 18,470.44, 25,498.38 and 11,400.76 is: 15,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.44 : 25,498.38 = 11,400.76 : x
  2. Step 2: Convert to fraction form
    18,470.44/25,498.38 = 11,400.76/x
  3. Step 3: Cross multiply
    18,470.44x = 25,498.38 × 11,400.76
  4. Step 4: Simplify right side
    18,470.44x = 290,700,910.77
  5. Step 5: Solve for x
    x = 290,700,910.77/18,470.44
  6. Step 6: Final answer
    x = 15,738.71

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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.