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Finding the Fourth Proportional to 18,394.52, 27,605.64 and 13,476.76

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Solution

The fourth proportional to 18,394.52, 27,605.64 and 13,476.76 is: 20,225.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.52 : 27,605.64 = 13,476.76 : x
  2. Step 2: Convert to fraction form
    18,394.52/27,605.64 = 13,476.76/x
  3. Step 3: Cross multiply
    18,394.52x = 27,605.64 × 13,476.76
  4. Step 4: Simplify right side
    18,394.52x = 372,034,584.93
  5. Step 5: Solve for x
    x = 372,034,584.93/18,394.52
  6. Step 6: Final answer
    x = 20,225.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.