Home / 20,020.68-27,626.12-11,066.96

Finding the Fourth Proportional to 20,020.68, 27,626.12 and 11,066.96

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Solution

The fourth proportional to 20,020.68, 27,626.12 and 11,066.96 is: 15,271.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020.68 : 27,626.12 = 11,066.96 : x
  2. Step 2: Convert to fraction form
    20,020.68/27,626.12 = 11,066.96/x
  3. Step 3: Cross multiply
    20,020.68x = 27,626.12 × 11,066.96
  4. Step 4: Simplify right side
    20,020.68x = 305,737,165.00
  5. Step 5: Solve for x
    x = 305,737,165.00/20,020.68
  6. Step 6: Final answer
    x = 15,271.07

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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.