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Finding the Fourth Proportional to 18,182.55, 25,089.00 and 10,224.30

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Solution

The fourth proportional to 18,182.55, 25,089.00 and 10,224.30 is: 14,107.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.55 : 25,089.00 = 10,224.30 : x
  2. Step 2: Convert to fraction form
    18,182.55/25,089.00 = 10,224.30/x
  3. Step 3: Cross multiply
    18,182.55x = 25,089.00 × 10,224.30
  4. Step 4: Simplify right side
    18,182.55x = 256,517,348.86
  5. Step 5: Solve for x
    x = 256,517,348.86/18,182.55
  6. Step 6: Final answer
    x = 14,107.89

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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.