Home / 15,940.09-23,909.85-5,551.57

Finding the Fourth Proportional to 15,940.09, 23,909.85 and 5,551.57

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Solution

The fourth proportional to 15,940.09, 23,909.85 and 5,551.57 is: 8,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940.09 : 23,909.85 = 5,551.57 : x
  2. Step 2: Convert to fraction form
    15,940.09/23,909.85 = 5,551.57/x
  3. Step 3: Cross multiply
    15,940.09x = 23,909.85 × 5,551.57
  4. Step 4: Simplify right side
    15,940.09x = 132,737,205.96
  5. Step 5: Solve for x
    x = 132,737,205.96/15,940.09
  6. Step 6: Final answer
    x = 8,327.26

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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.