Home / 20,011.24-27,617.22-11,059.72

Finding the Fourth Proportional to 20,011.24, 27,617.22 and 11,059.72

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Solution

The fourth proportional to 20,011.24, 27,617.22 and 11,059.72 is: 15,263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.24 : 27,617.22 = 11,059.72 : x
  2. Step 2: Convert to fraction form
    20,011.24/27,617.22 = 11,059.72/x
  3. Step 3: Cross multiply
    20,011.24x = 27,617.22 × 11,059.72
  4. Step 4: Simplify right side
    20,011.24x = 305,438,720.38
  5. Step 5: Solve for x
    x = 305,438,720.38/20,011.24
  6. Step 6: Final answer
    x = 15,263.36

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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.