Home / 20,019.96-27,627.84-11,068.20

Finding the Fourth Proportional to 20,019.96, 27,627.84 and 11,068.20

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Solution

The fourth proportional to 20,019.96, 27,627.84 and 11,068.20 is: 15,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.96 : 27,627.84 = 11,068.20 : x
  2. Step 2: Convert to fraction form
    20,019.96/27,627.84 = 11,068.20/x
  3. Step 3: Cross multiply
    20,019.96x = 27,627.84 × 11,068.20
  4. Step 4: Simplify right side
    20,019.96x = 305,790,458.69
  5. Step 5: Solve for x
    x = 305,790,458.69/20,019.96
  6. Step 6: Final answer
    x = 15,274.28

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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.