Home / 14,712.17-20,304.48-8,743.78

Finding the Fourth Proportional to 14,712.17, 20,304.48 and 8,743.78

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Solution

The fourth proportional to 14,712.17, 20,304.48 and 8,743.78 is: 12,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.17 : 20,304.48 = 8,743.78 : x
  2. Step 2: Convert to fraction form
    14,712.17/20,304.48 = 8,743.78/x
  3. Step 3: Cross multiply
    14,712.17x = 20,304.48 × 8,743.78
  4. Step 4: Simplify right side
    14,712.17x = 177,537,855.37
  5. Step 5: Solve for x
    x = 177,537,855.37/14,712.17
  6. Step 6: Final answer
    x = 12,067.42

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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.