Home / 18,515.46-27,774.54-5,367.90

Finding the Fourth Proportional to 18,515.46, 27,774.54 and 5,367.90

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Solution

The fourth proportional to 18,515.46, 27,774.54 and 5,367.90 is: 8,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.46 : 27,774.54 = 5,367.90 : x
  2. Step 2: Convert to fraction form
    18,515.46/27,774.54 = 5,367.90/x
  3. Step 3: Cross multiply
    18,515.46x = 27,774.54 × 5,367.90
  4. Step 4: Simplify right side
    18,515.46x = 149,090,953.27
  5. Step 5: Solve for x
    x = 149,090,953.27/18,515.46
  6. Step 6: Final answer
    x = 8,052.24

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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.