Home / 23,780.80-32,816.10-13,169.80

Finding the Fourth Proportional to 23,780.80, 32,816.10 and 13,169.80

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Solution

The fourth proportional to 23,780.80, 32,816.10 and 13,169.80 is: 18,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,780.80 : 32,816.10 = 13,169.80 : x
  2. Step 2: Convert to fraction form
    23,780.80/32,816.10 = 13,169.80/x
  3. Step 3: Cross multiply
    23,780.80x = 32,816.10 × 13,169.80
  4. Step 4: Simplify right side
    23,780.80x = 432,181,473.78
  5. Step 5: Solve for x
    x = 432,181,473.78/23,780.80
  6. Step 6: Final answer
    x = 18,173.55

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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.