Home / 23,781.02-32,819.67-13,171.64

Finding the Fourth Proportional to 23,781.02, 32,819.67 and 13,171.64

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Solution

The fourth proportional to 23,781.02, 32,819.67 and 13,171.64 is: 18,177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781.02 : 32,819.67 = 13,171.64 : x
  2. Step 2: Convert to fraction form
    23,781.02/32,819.67 = 13,171.64/x
  3. Step 3: Cross multiply
    23,781.02x = 32,819.67 × 13,171.64
  4. Step 4: Simplify right side
    23,781.02x = 432,288,714.06
  5. Step 5: Solve for x
    x = 432,288,714.06/23,781.02
  6. Step 6: Final answer
    x = 18,177.89

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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.