Home / 23,780.37-32,817.02-13,169.78

Finding the Fourth Proportional to 23,780.37, 32,817.02 and 13,169.78

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Solution

The fourth proportional to 23,780.37, 32,817.02 and 13,169.78 is: 18,174.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,780.37 : 32,817.02 = 13,169.78 : x
  2. Step 2: Convert to fraction form
    23,780.37/32,817.02 = 13,169.78/x
  3. Step 3: Cross multiply
    23,780.37x = 32,817.02 × 13,169.78
  4. Step 4: Simplify right side
    23,780.37x = 432,192,933.66
  5. Step 5: Solve for x
    x = 432,192,933.66/23,780.37
  6. Step 6: Final answer
    x = 18,174.36

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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.