Home / 23,216.40-34,816.44-8,422.80

Finding the Fourth Proportional to 23,216.40, 34,816.44 and 8,422.80

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Solution

The fourth proportional to 23,216.40, 34,816.44 and 8,422.80 is: 12,631.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,216.40 : 34,816.44 = 8,422.80 : x
  2. Step 2: Convert to fraction form
    23,216.40/34,816.44 = 8,422.80/x
  3. Step 3: Cross multiply
    23,216.40x = 34,816.44 × 8,422.80
  4. Step 4: Simplify right side
    23,216.40x = 293,251,910.83
  5. Step 5: Solve for x
    x = 293,251,910.83/23,216.40
  6. Step 6: Final answer
    x = 12,631.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.