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Finding the Fourth Proportional to 18,592.26, 27,897.95 and 12,356.56

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Solution

The fourth proportional to 18,592.26, 27,897.95 and 12,356.56 is: 18,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.26 : 27,897.95 = 12,356.56 : x
  2. Step 2: Convert to fraction form
    18,592.26/27,897.95 = 12,356.56/x
  3. Step 3: Cross multiply
    18,592.26x = 27,897.95 × 12,356.56
  4. Step 4: Simplify right side
    18,592.26x = 344,722,693.05
  5. Step 5: Solve for x
    x = 344,722,693.05/18,592.26
  6. Step 6: Final answer
    x = 18,541.19

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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.