Home / 20,111.02-27,752.25-11,036.17

Finding the Fourth Proportional to 20,111.02, 27,752.25 and 11,036.17

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Solution

The fourth proportional to 20,111.02, 27,752.25 and 11,036.17 is: 15,229.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111.02 : 27,752.25 = 11,036.17 : x
  2. Step 2: Convert to fraction form
    20,111.02/27,752.25 = 11,036.17/x
  3. Step 3: Cross multiply
    20,111.02x = 27,752.25 × 11,036.17
  4. Step 4: Simplify right side
    20,111.02x = 306,278,548.88
  5. Step 5: Solve for x
    x = 306,278,548.88/20,111.02
  6. Step 6: Final answer
    x = 15,229.39

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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.