Home / 20,098.15-27,729.05-11,599.15

Finding the Fourth Proportional to 20,098.15, 27,729.05 and 11,599.15

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Solution

The fourth proportional to 20,098.15, 27,729.05 and 11,599.15 is: 16,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.15 : 27,729.05 = 11,599.15 : x
  2. Step 2: Convert to fraction form
    20,098.15/27,729.05 = 11,599.15/x
  3. Step 3: Cross multiply
    20,098.15x = 27,729.05 × 11,599.15
  4. Step 4: Simplify right side
    20,098.15x = 321,633,271.66
  5. Step 5: Solve for x
    x = 321,633,271.66/20,098.15
  6. Step 6: Final answer
    x = 16,003.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.