Home / 20,728.01-31,086.02-5,932.96

Finding the Fourth Proportional to 20,728.01, 31,086.02 and 5,932.96

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Solution

The fourth proportional to 20,728.01, 31,086.02 and 5,932.96 is: 8,897.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,728.01 : 31,086.02 = 5,932.96 : x
  2. Step 2: Convert to fraction form
    20,728.01/31,086.02 = 5,932.96/x
  3. Step 3: Cross multiply
    20,728.01x = 31,086.02 × 5,932.96
  4. Step 4: Simplify right side
    20,728.01x = 184,432,113.22
  5. Step 5: Solve for x
    x = 184,432,113.22/20,728.01
  6. Step 6: Final answer
    x = 8,897.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.