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Finding the Fourth Proportional to 18,012.62, 24,857 and 10,055.58

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Solution

The fourth proportional to 18,012.62, 24,857 and 10,055.58 is: 13,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.62 : 24,857 = 10,055.58 : x
  2. Step 2: Convert to fraction form
    18,012.62/24,857 = 10,055.58/x
  3. Step 3: Cross multiply
    18,012.62x = 24,857 × 10,055.58
  4. Step 4: Simplify right side
    18,012.62x = 249,951,552.06
  5. Step 5: Solve for x
    x = 249,951,552.06/18,012.62
  6. Step 6: Final answer
    x = 13,876.47

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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.