Home / 23,635.80-32,616.98-12,880.77

Finding the Fourth Proportional to 23,635.80, 32,616.98 and 12,880.77

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Solution

The fourth proportional to 23,635.80, 32,616.98 and 12,880.77 is: 17,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,635.80 : 32,616.98 = 12,880.77 : x
  2. Step 2: Convert to fraction form
    23,635.80/32,616.98 = 12,880.77/x
  3. Step 3: Cross multiply
    23,635.80x = 32,616.98 × 12,880.77
  4. Step 4: Simplify right side
    23,635.80x = 420,131,849.68
  5. Step 5: Solve for x
    x = 420,131,849.68/23,635.80
  6. Step 6: Final answer
    x = 17,775.23

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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.