Home / 27,436.38-41,155.17-18,994.56

Finding the Fourth Proportional to 27,436.38, 41,155.17 and 18,994.56

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Solution

The fourth proportional to 27,436.38, 41,155.17 and 18,994.56 is: 28,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,436.38 : 41,155.17 = 18,994.56 : x
  2. Step 2: Convert to fraction form
    27,436.38/41,155.17 = 18,994.56/x
  3. Step 3: Cross multiply
    27,436.38x = 41,155.17 × 18,994.56
  4. Step 4: Simplify right side
    27,436.38x = 781,724,345.88
  5. Step 5: Solve for x
    x = 781,724,345.88/27,436.38
  6. Step 6: Final answer
    x = 28,492.26

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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.