Home / 20,026.20-27,635.87-11,073.51

Finding the Fourth Proportional to 20,026.20, 27,635.87 and 11,073.51

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Solution

The fourth proportional to 20,026.20, 27,635.87 and 11,073.51 is: 15,281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.20 : 27,635.87 = 11,073.51 : x
  2. Step 2: Convert to fraction form
    20,026.20/27,635.87 = 11,073.51/x
  3. Step 3: Cross multiply
    20,026.20x = 27,635.87 × 11,073.51
  4. Step 4: Simplify right side
    20,026.20x = 306,025,889.26
  5. Step 5: Solve for x
    x = 306,025,889.26/20,026.20
  6. Step 6: Final answer
    x = 15,281.28

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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.