Home / 23,310.80-32,166.12-13,235.60

Finding the Fourth Proportional to 23,310.80, 32,166.12 and 13,235.60

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Solution

The fourth proportional to 23,310.80, 32,166.12 and 13,235.60 is: 18,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,310.80 : 32,166.12 = 13,235.60 : x
  2. Step 2: Convert to fraction form
    23,310.80/32,166.12 = 13,235.60/x
  3. Step 3: Cross multiply
    23,310.80x = 32,166.12 × 13,235.60
  4. Step 4: Simplify right side
    23,310.80x = 425,737,897.87
  5. Step 5: Solve for x
    x = 425,737,897.87/23,310.80
  6. Step 6: Final answer
    x = 18,263.55

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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.