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Finding the Fourth Proportional to 18,084.96, 24,957.20 and 10,127.20

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Solution

The fourth proportional to 18,084.96, 24,957.20 and 10,127.20 is: 13,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.96 : 24,957.20 = 10,127.20 : x
  2. Step 2: Convert to fraction form
    18,084.96/24,957.20 = 10,127.20/x
  3. Step 3: Cross multiply
    18,084.96x = 24,957.20 × 10,127.20
  4. Step 4: Simplify right side
    18,084.96x = 252,746,555.84
  5. Step 5: Solve for x
    x = 252,746,555.84/18,084.96
  6. Step 6: Final answer
    x = 13,975.51

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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.