Home / 18,398.03-27,601.11-6,711.21

Finding the Fourth Proportional to 18,398.03, 27,601.11 and 6,711.21

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Solution

The fourth proportional to 18,398.03, 27,601.11 and 6,711.21 is: 10,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398.03 : 27,601.11 = 6,711.21 : x
  2. Step 2: Convert to fraction form
    18,398.03/27,601.11 = 6,711.21/x
  3. Step 3: Cross multiply
    18,398.03x = 27,601.11 × 6,711.21
  4. Step 4: Simplify right side
    18,398.03x = 185,236,845.44
  5. Step 5: Solve for x
    x = 185,236,845.44/18,398.03
  6. Step 6: Final answer
    x = 10,068.30

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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.