Home / 23,191.01-31,998.20-15,651.33

Finding the Fourth Proportional to 23,191.01, 31,998.20 and 15,651.33

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Solution

The fourth proportional to 23,191.01, 31,998.20 and 15,651.33 is: 21,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,191.01 : 31,998.20 = 15,651.33 : x
  2. Step 2: Convert to fraction form
    23,191.01/31,998.20 = 15,651.33/x
  3. Step 3: Cross multiply
    23,191.01x = 31,998.20 × 15,651.33
  4. Step 4: Simplify right side
    23,191.01x = 500,814,309.35
  5. Step 5: Solve for x
    x = 500,814,309.35/23,191.01
  6. Step 6: Final answer
    x = 21,595.20

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Double scale
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Similar ratio
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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.