Home / 23,780.96-32,832.80-15,287.04

Finding the Fourth Proportional to 23,780.96, 32,832.80 and 15,287.04

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Solution

The fourth proportional to 23,780.96, 32,832.80 and 15,287.04 is: 21,105.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,780.96 : 32,832.80 = 15,287.04 : x
  2. Step 2: Convert to fraction form
    23,780.96/32,832.80 = 15,287.04/x
  3. Step 3: Cross multiply
    23,780.96x = 32,832.80 × 15,287.04
  4. Step 4: Simplify right side
    23,780.96x = 501,916,326.91
  5. Step 5: Solve for x
    x = 501,916,326.91/23,780.96
  6. Step 6: Final answer
    x = 21,105.81

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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.