Home / 23,902.36-32,986.05-13,147.68

Finding the Fourth Proportional to 23,902.36, 32,986.05 and 13,147.68

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Solution

The fourth proportional to 23,902.36, 32,986.05 and 13,147.68 is: 18,144.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,902.36 : 32,986.05 = 13,147.68 : x
  2. Step 2: Convert to fraction form
    23,902.36/32,986.05 = 13,147.68/x
  3. Step 3: Cross multiply
    23,902.36x = 32,986.05 × 13,147.68
  4. Step 4: Simplify right side
    23,902.36x = 433,690,029.86
  5. Step 5: Solve for x
    x = 433,690,029.86/23,902.36
  6. Step 6: Final answer
    x = 18,144.23

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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.