Home / 20,973.33-31,461.17-8,493.03

Finding the Fourth Proportional to 20,973.33, 31,461.17 and 8,493.03

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Solution

The fourth proportional to 20,973.33, 31,461.17 and 8,493.03 is: 12,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,973.33 : 31,461.17 = 8,493.03 : x
  2. Step 2: Convert to fraction form
    20,973.33/31,461.17 = 8,493.03/x
  3. Step 3: Cross multiply
    20,973.33x = 31,461.17 × 8,493.03
  4. Step 4: Simplify right side
    20,973.33x = 267,200,618.18
  5. Step 5: Solve for x
    x = 267,200,618.18/20,973.33
  6. Step 6: Final answer
    x = 12,740.02

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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.