Home / 20,015.32-27,619.68-11,062.32

Finding the Fourth Proportional to 20,015.32, 27,619.68 and 11,062.32

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Solution

The fourth proportional to 20,015.32, 27,619.68 and 11,062.32 is: 15,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.32 : 27,619.68 = 11,062.32 : x
  2. Step 2: Convert to fraction form
    20,015.32/27,619.68 = 11,062.32/x
  3. Step 3: Cross multiply
    20,015.32x = 27,619.68 × 11,062.32
  4. Step 4: Simplify right side
    20,015.32x = 305,537,738.46
  5. Step 5: Solve for x
    x = 305,537,738.46/20,015.32
  6. Step 6: Final answer
    x = 15,265.19

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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.