Home / 24,290.80-33,521.44-13,680.64

Finding the Fourth Proportional to 24,290.80, 33,521.44 and 13,680.64

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Solution

The fourth proportional to 24,290.80, 33,521.44 and 13,680.64 is: 18,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,290.80 : 33,521.44 = 13,680.64 : x
  2. Step 2: Convert to fraction form
    24,290.80/33,521.44 = 13,680.64/x
  3. Step 3: Cross multiply
    24,290.80x = 33,521.44 × 13,680.64
  4. Step 4: Simplify right side
    24,290.80x = 458,594,752.92
  5. Step 5: Solve for x
    x = 458,594,752.92/24,290.80
  6. Step 6: Final answer
    x = 18,879.36

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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.