Home / 23,961.60-33,065.10-13,350.60

Finding the Fourth Proportional to 23,961.60, 33,065.10 and 13,350.60

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Solution

The fourth proportional to 23,961.60, 33,065.10 and 13,350.60 is: 18,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,961.60 : 33,065.10 = 13,350.60 : x
  2. Step 2: Convert to fraction form
    23,961.60/33,065.10 = 13,350.60/x
  3. Step 3: Cross multiply
    23,961.60x = 33,065.10 × 13,350.60
  4. Step 4: Simplify right side
    23,961.60x = 441,438,924.06
  5. Step 5: Solve for x
    x = 441,438,924.06/23,961.60
  6. Step 6: Final answer
    x = 18,422.76

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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.