Home / 18,454.48-27,686.10-5,974.51

Finding the Fourth Proportional to 18,454.48, 27,686.10 and 5,974.51

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Solution

The fourth proportional to 18,454.48, 27,686.10 and 5,974.51 is: 8,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.48 : 27,686.10 = 5,974.51 : x
  2. Step 2: Convert to fraction form
    18,454.48/27,686.10 = 5,974.51/x
  3. Step 3: Cross multiply
    18,454.48x = 27,686.10 × 5,974.51
  4. Step 4: Simplify right side
    18,454.48x = 165,410,834.50
  5. Step 5: Solve for x
    x = 165,410,834.50/18,454.48
  6. Step 6: Final answer
    x = 8,963.18

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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.