Home / 20,267.22-27,967.38-11,314.26

Finding the Fourth Proportional to 20,267.22, 27,967.38 and 11,314.26

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Solution

The fourth proportional to 20,267.22, 27,967.38 and 11,314.26 is: 15,612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267.22 : 27,967.38 = 11,314.26 : x
  2. Step 2: Convert to fraction form
    20,267.22/27,967.38 = 11,314.26/x
  3. Step 3: Cross multiply
    20,267.22x = 27,967.38 × 11,314.26
  4. Step 4: Simplify right side
    20,267.22x = 316,430,208.84
  5. Step 5: Solve for x
    x = 316,430,208.84/20,267.22
  6. Step 6: Final answer
    x = 15,612.91

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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.