Home / 14,725.06-20,315.61-8,350.97

Finding the Fourth Proportional to 14,725.06, 20,315.61 and 8,350.97

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Solution

The fourth proportional to 14,725.06, 20,315.61 and 8,350.97 is: 11,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,725.06 : 20,315.61 = 8,350.97 : x
  2. Step 2: Convert to fraction form
    14,725.06/20,315.61 = 8,350.97/x
  3. Step 3: Cross multiply
    14,725.06x = 20,315.61 × 8,350.97
  4. Step 4: Simplify right side
    14,725.06x = 169,654,948.06
  5. Step 5: Solve for x
    x = 169,654,948.06/14,725.06
  6. Step 6: Final answer
    x = 11,521.51

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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.