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Finding the Fourth Proportional to 16,014.80, 22,100.20 and 9,304.20

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Solution

The fourth proportional to 16,014.80, 22,100.20 and 9,304.20 is: 12,839.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,014.80 : 22,100.20 = 9,304.20 : x
  2. Step 2: Convert to fraction form
    16,014.80/22,100.20 = 9,304.20/x
  3. Step 3: Cross multiply
    16,014.80x = 22,100.20 × 9,304.20
  4. Step 4: Simplify right side
    16,014.80x = 205,624,657.58
  5. Step 5: Solve for x
    x = 205,624,657.58/16,014.80
  6. Step 6: Final answer
    x = 12,839.66

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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.