Home / 18,544.57-27,797.51-9,178.74

Finding the Fourth Proportional to 18,544.57, 27,797.51 and 9,178.74

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Solution

The fourth proportional to 18,544.57, 27,797.51 and 9,178.74 is: 13,758.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,544.57 : 27,797.51 = 9,178.74 : x
  2. Step 2: Convert to fraction form
    18,544.57/27,797.51 = 9,178.74/x
  3. Step 3: Cross multiply
    18,544.57x = 27,797.51 × 9,178.74
  4. Step 4: Simplify right side
    18,544.57x = 255,146,139.88
  5. Step 5: Solve for x
    x = 255,146,139.88/18,544.57
  6. Step 6: Final answer
    x = 13,758.54

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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.