Home / 18,193.11-27,289.65-5,714.13

Finding the Fourth Proportional to 18,193.11, 27,289.65 and 5,714.13

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Solution

The fourth proportional to 18,193.11, 27,289.65 and 5,714.13 is: 8,571.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.11 : 27,289.65 = 5,714.13 : x
  2. Step 2: Convert to fraction form
    18,193.11/27,289.65 = 5,714.13/x
  3. Step 3: Cross multiply
    18,193.11x = 27,289.65 × 5,714.13
  4. Step 4: Simplify right side
    18,193.11x = 155,936,607.75
  5. Step 5: Solve for x
    x = 155,936,607.75/18,193.11
  6. Step 6: Final answer
    x = 8,571.19

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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.