Home / 20,673.28-31,005.24-5,881.84

Finding the Fourth Proportional to 20,673.28, 31,005.24 and 5,881.84

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Solution

The fourth proportional to 20,673.28, 31,005.24 and 5,881.84 is: 8,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,673.28 : 31,005.24 = 5,881.84 : x
  2. Step 2: Convert to fraction form
    20,673.28/31,005.24 = 5,881.84/x
  3. Step 3: Cross multiply
    20,673.28x = 31,005.24 × 5,881.84
  4. Step 4: Simplify right side
    20,673.28x = 182,367,860.84
  5. Step 5: Solve for x
    x = 182,367,860.84/20,673.28
  6. Step 6: Final answer
    x = 8,821.43

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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.