Home / 14,719.89-20,306.31-8,747.33

Finding the Fourth Proportional to 14,719.89, 20,306.31 and 8,747.33

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Solution

The fourth proportional to 14,719.89, 20,306.31 and 8,747.33 is: 12,067.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.89 : 20,306.31 = 8,747.33 : x
  2. Step 2: Convert to fraction form
    14,719.89/20,306.31 = 8,747.33/x
  3. Step 3: Cross multiply
    14,719.89x = 20,306.31 × 8,747.33
  4. Step 4: Simplify right side
    14,719.89x = 177,625,994.65
  5. Step 5: Solve for x
    x = 177,625,994.65/14,719.89
  6. Step 6: Final answer
    x = 12,067.07

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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.