Home / 20,672.67-31,009.35-5,881.97

Finding the Fourth Proportional to 20,672.67, 31,009.35 and 5,881.97

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Solution

The fourth proportional to 20,672.67, 31,009.35 and 5,881.97 is: 8,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672.67 : 31,009.35 = 5,881.97 : x
  2. Step 2: Convert to fraction form
    20,672.67/31,009.35 = 5,881.97/x
  3. Step 3: Cross multiply
    20,672.67x = 31,009.35 × 5,881.97
  4. Step 4: Simplify right side
    20,672.67x = 182,396,066.42
  5. Step 5: Solve for x
    x = 182,396,066.42/20,672.67
  6. Step 6: Final answer
    x = 8,823.05

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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.