Home / 20,017.87-27,626.10-11,065.19

Finding the Fourth Proportional to 20,017.87, 27,626.10 and 11,065.19

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Solution

The fourth proportional to 20,017.87, 27,626.10 and 11,065.19 is: 15,270.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.87 : 27,626.10 = 11,065.19 : x
  2. Step 2: Convert to fraction form
    20,017.87/27,626.10 = 11,065.19/x
  3. Step 3: Cross multiply
    20,017.87x = 27,626.10 × 11,065.19
  4. Step 4: Simplify right side
    20,017.87x = 305,687,865.83
  5. Step 5: Solve for x
    x = 305,687,865.83/20,017.87
  6. Step 6: Final answer
    x = 15,270.75

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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.