Home / 23,204.72-31,998.30-13,771.46

Finding the Fourth Proportional to 23,204.72, 31,998.30 and 13,771.46

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Solution

The fourth proportional to 23,204.72, 31,998.30 and 13,771.46 is: 18,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,204.72 : 31,998.30 = 13,771.46 : x
  2. Step 2: Convert to fraction form
    23,204.72/31,998.30 = 13,771.46/x
  3. Step 3: Cross multiply
    23,204.72x = 31,998.30 × 13,771.46
  4. Step 4: Simplify right side
    23,204.72x = 440,663,308.52
  5. Step 5: Solve for x
    x = 440,663,308.52/23,204.72
  6. Step 6: Final answer
    x = 18,990.24

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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.