Home / 14,713.50-20,304.83-8,425.88

Finding the Fourth Proportional to 14,713.50, 20,304.83 and 8,425.88

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Solution

The fourth proportional to 14,713.50, 20,304.83 and 8,425.88 is: 11,627.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,713.50 : 20,304.83 = 8,425.88 : x
  2. Step 2: Convert to fraction form
    14,713.50/20,304.83 = 8,425.88/x
  3. Step 3: Cross multiply
    14,713.50x = 20,304.83 × 8,425.88
  4. Step 4: Simplify right side
    14,713.50x = 171,085,980.54
  5. Step 5: Solve for x
    x = 171,085,980.54/14,713.50
  6. Step 6: Final answer
    x = 11,627.82

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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.