Home / 20,091.22-30,133.87-5,301.18

Finding the Fourth Proportional to 20,091.22, 30,133.87 and 5,301.18

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Solution

The fourth proportional to 20,091.22, 30,133.87 and 5,301.18 is: 7,950.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,091.22 : 30,133.87 = 5,301.18 : x
  2. Step 2: Convert to fraction form
    20,091.22/30,133.87 = 5,301.18/x
  3. Step 3: Cross multiply
    20,091.22x = 30,133.87 × 5,301.18
  4. Step 4: Simplify right side
    20,091.22x = 159,744,891.79
  5. Step 5: Solve for x
    x = 159,744,891.79/20,091.22
  6. Step 6: Final answer
    x = 7,950.98

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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.