Home / 23,198.00-31,998.85-20,363.13

Finding the Fourth Proportional to 23,198.00, 31,998.85 and 20,363.13

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Solution

The fourth proportional to 23,198.00, 31,998.85 and 20,363.13 is: 28,088.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,198.00 : 31,998.85 = 20,363.13 : x
  2. Step 2: Convert to fraction form
    23,198.00/31,998.85 = 20,363.13/x
  3. Step 3: Cross multiply
    23,198.00x = 31,998.85 × 20,363.13
  4. Step 4: Simplify right side
    23,198.00x = 651,596,691.49
  5. Step 5: Solve for x
    x = 651,596,691.49/23,198.00
  6. Step 6: Final answer
    x = 28,088.49

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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.