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Finding the Fourth Proportional to 16,371, 22,591.20 and 9,656.88

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Solution

The fourth proportional to 16,371, 22,591.20 and 9,656.88 is: 13,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,371 : 22,591.20 = 9,656.88 : x
  2. Step 2: Convert to fraction form
    16,371/22,591.20 = 9,656.88/x
  3. Step 3: Cross multiply
    16,371x = 22,591.20 × 9,656.88
  4. Step 4: Simplify right side
    16,371x = 218,160,507.46
  5. Step 5: Solve for x
    x = 218,160,507.46/16,371
  6. Step 6: Final answer
    x = 13,326.03

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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.