Home / 23,520.25-32,458.36-12,910.87

Finding the Fourth Proportional to 23,520.25, 32,458.36 and 12,910.87

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Solution

The fourth proportional to 23,520.25, 32,458.36 and 12,910.87 is: 17,817.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,520.25 : 32,458.36 = 12,910.87 : x
  2. Step 2: Convert to fraction form
    23,520.25/32,458.36 = 12,910.87/x
  3. Step 3: Cross multiply
    23,520.25x = 32,458.36 × 12,910.87
  4. Step 4: Simplify right side
    23,520.25x = 419,065,471.80
  5. Step 5: Solve for x
    x = 419,065,471.80/23,520.25
  6. Step 6: Final answer
    x = 17,817.22

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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.