Home / 20,032.02-27,644.22-11,079.90

Finding the Fourth Proportional to 20,032.02, 27,644.22 and 11,079.90

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Solution

The fourth proportional to 20,032.02, 27,644.22 and 11,079.90 is: 15,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032.02 : 27,644.22 = 11,079.90 : x
  2. Step 2: Convert to fraction form
    20,032.02/27,644.22 = 11,079.90/x
  3. Step 3: Cross multiply
    20,032.02x = 27,644.22 × 11,079.90
  4. Step 4: Simplify right side
    20,032.02x = 306,295,193.18
  5. Step 5: Solve for x
    x = 306,295,193.18/20,032.02
  6. Step 6: Final answer
    x = 15,290.28

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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.