Home / 20,029.02-27,640.23-11,077.14

Finding the Fourth Proportional to 20,029.02, 27,640.23 and 11,077.14

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Solution

The fourth proportional to 20,029.02, 27,640.23 and 11,077.14 is: 15,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.02 : 27,640.23 = 11,077.14 : x
  2. Step 2: Convert to fraction form
    20,029.02/27,640.23 = 11,077.14/x
  3. Step 3: Cross multiply
    20,029.02x = 27,640.23 × 11,077.14
  4. Step 4: Simplify right side
    20,029.02x = 306,174,697.34
  5. Step 5: Solve for x
    x = 306,174,697.34/20,029.02
  6. Step 6: Final answer
    x = 15,286.55

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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.