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Finding the Fourth Proportional to 18,159.12, 25,059.96 and 10,202.22

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Solution

The fourth proportional to 18,159.12, 25,059.96 and 10,202.22 is: 14,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.12 : 25,059.96 = 10,202.22 : x
  2. Step 2: Convert to fraction form
    18,159.12/25,059.96 = 10,202.22/x
  3. Step 3: Cross multiply
    18,159.12x = 25,059.96 × 10,202.22
  4. Step 4: Simplify right side
    18,159.12x = 255,667,225.11
  5. Step 5: Solve for x
    x = 255,667,225.11/18,159.12
  6. Step 6: Final answer
    x = 14,079.27

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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.