Home / 18,456.57-25,470.36-10,498.86

Finding the Fourth Proportional to 18,456.57, 25,470.36 and 10,498.86

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Solution

The fourth proportional to 18,456.57, 25,470.36 and 10,498.86 is: 14,488.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.57 : 25,470.36 = 10,498.86 : x
  2. Step 2: Convert to fraction form
    18,456.57/25,470.36 = 10,498.86/x
  3. Step 3: Cross multiply
    18,456.57x = 25,470.36 × 10,498.86
  4. Step 4: Simplify right side
    18,456.57x = 267,409,743.79
  5. Step 5: Solve for x
    x = 267,409,743.79/18,456.57
  6. Step 6: Final answer
    x = 14,488.59

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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.