Home / 20,022.44-27,628.50-11,070.12

Finding the Fourth Proportional to 20,022.44, 27,628.50 and 11,070.12

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Solution

The fourth proportional to 20,022.44, 27,628.50 and 11,070.12 is: 15,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.44 : 27,628.50 = 11,070.12 : x
  2. Step 2: Convert to fraction form
    20,022.44/27,628.50 = 11,070.12/x
  3. Step 3: Cross multiply
    20,022.44x = 27,628.50 × 11,070.12
  4. Step 4: Simplify right side
    20,022.44x = 305,850,755.07
  5. Step 5: Solve for x
    x = 305,850,755.07/20,022.44
  6. Step 6: Final answer
    x = 15,275.40

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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.