Home / 20,015.67-27,619.23-11,061.96

Finding the Fourth Proportional to 20,015.67, 27,619.23 and 11,061.96

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Solution

The fourth proportional to 20,015.67, 27,619.23 and 11,061.96 is: 15,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.67 : 27,619.23 = 11,061.96 : x
  2. Step 2: Convert to fraction form
    20,015.67/27,619.23 = 11,061.96/x
  3. Step 3: Cross multiply
    20,015.67x = 27,619.23 × 11,061.96
  4. Step 4: Simplify right side
    20,015.67x = 305,522,817.49
  5. Step 5: Solve for x
    x = 305,522,817.49/20,015.67
  6. Step 6: Final answer
    x = 15,264.18

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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.