Home / 20,029.49-27,641.56-11,077.00

Finding the Fourth Proportional to 20,029.49, 27,641.56 and 11,077.00

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Solution

The fourth proportional to 20,029.49, 27,641.56 and 11,077.00 is: 15,286.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.49 : 27,641.56 = 11,077.00 : x
  2. Step 2: Convert to fraction form
    20,029.49/27,641.56 = 11,077.00/x
  3. Step 3: Cross multiply
    20,029.49x = 27,641.56 × 11,077.00
  4. Step 4: Simplify right side
    20,029.49x = 306,185,421.91
  5. Step 5: Solve for x
    x = 306,185,421.91/20,029.49
  6. Step 6: Final answer
    x = 15,286.73

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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.