Home / 15,091.92-22,638.08-3,999.68

Finding the Fourth Proportional to 15,091.92, 22,638.08 and 3,999.68

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Solution

The fourth proportional to 15,091.92, 22,638.08 and 3,999.68 is: 5,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,091.92 : 22,638.08 = 3,999.68 : x
  2. Step 2: Convert to fraction form
    15,091.92/22,638.08 = 3,999.68/x
  3. Step 3: Cross multiply
    15,091.92x = 22,638.08 × 3,999.68
  4. Step 4: Simplify right side
    15,091.92x = 90,545,057.52
  5. Step 5: Solve for x
    x = 90,545,057.52/15,091.92
  6. Step 6: Final answer
    x = 5,999.57

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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.