Home / 23,781.42-32,818.64-13,171.23

Finding the Fourth Proportional to 23,781.42, 32,818.64 and 13,171.23

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Solution

The fourth proportional to 23,781.42, 32,818.64 and 13,171.23 is: 18,176.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781.42 : 32,818.64 = 13,171.23 : x
  2. Step 2: Convert to fraction form
    23,781.42/32,818.64 = 13,171.23/x
  3. Step 3: Cross multiply
    23,781.42x = 32,818.64 × 13,171.23
  4. Step 4: Simplify right side
    23,781.42x = 432,261,789.87
  5. Step 5: Solve for x
    x = 432,261,789.87/23,781.42
  6. Step 6: Final answer
    x = 18,176.45

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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.