Home / 14,726.11-20,319.28-8,759.25

Finding the Fourth Proportional to 14,726.11, 20,319.28 and 8,759.25

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Solution

The fourth proportional to 14,726.11, 20,319.28 and 8,759.25 is: 12,086.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,726.11 : 20,319.28 = 8,759.25 : x
  2. Step 2: Convert to fraction form
    14,726.11/20,319.28 = 8,759.25/x
  3. Step 3: Cross multiply
    14,726.11x = 20,319.28 × 8,759.25
  4. Step 4: Simplify right side
    14,726.11x = 177,981,653.34
  5. Step 5: Solve for x
    x = 177,981,653.34/14,726.11
  6. Step 6: Final answer
    x = 12,086.13

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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.