Home / 23,970.80-33,079.38-13,360.88

Finding the Fourth Proportional to 23,970.80, 33,079.38 and 13,360.88

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Solution

The fourth proportional to 23,970.80, 33,079.38 and 13,360.88 is: 18,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,970.80 : 33,079.38 = 13,360.88 : x
  2. Step 2: Convert to fraction form
    23,970.80/33,079.38 = 13,360.88/x
  3. Step 3: Cross multiply
    23,970.80x = 33,079.38 × 13,360.88
  4. Step 4: Simplify right side
    23,970.80x = 441,969,626.65
  5. Step 5: Solve for x
    x = 441,969,626.65/23,970.80
  6. Step 6: Final answer
    x = 18,437.83

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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.