Home / 23,902.89-32,986.78-13,148.21

Finding the Fourth Proportional to 23,902.89, 32,986.78 and 13,148.21

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Solution

The fourth proportional to 23,902.89, 32,986.78 and 13,148.21 is: 18,144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,902.89 : 32,986.78 = 13,148.21 : x
  2. Step 2: Convert to fraction form
    23,902.89/32,986.78 = 13,148.21/x
  3. Step 3: Cross multiply
    23,902.89x = 32,986.78 × 13,148.21
  4. Step 4: Simplify right side
    23,902.89x = 433,717,110.66
  5. Step 5: Solve for x
    x = 433,717,110.66/23,902.89
  6. Step 6: Final answer
    x = 18,144.97

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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.