Home / 15,591.06-23,392.05-8,091.03

Finding the Fourth Proportional to 15,591.06, 23,392.05 and 8,091.03

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Solution

The fourth proportional to 15,591.06, 23,392.05 and 8,091.03 is: 12,139.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,591.06 : 23,392.05 = 8,091.03 : x
  2. Step 2: Convert to fraction form
    15,591.06/23,392.05 = 8,091.03/x
  3. Step 3: Cross multiply
    15,591.06x = 23,392.05 × 8,091.03
  4. Step 4: Simplify right side
    15,591.06x = 189,265,778.31
  5. Step 5: Solve for x
    x = 189,265,778.31/15,591.06
  6. Step 6: Final answer
    x = 12,139.38

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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.