Home / 20,638.89-30,959.66-5,848.98

Finding the Fourth Proportional to 20,638.89, 30,959.66 and 5,848.98

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Solution

The fourth proportional to 20,638.89, 30,959.66 and 5,848.98 is: 8,773.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,638.89 : 30,959.66 = 5,848.98 : x
  2. Step 2: Convert to fraction form
    20,638.89/30,959.66 = 5,848.98/x
  3. Step 3: Cross multiply
    20,638.89x = 30,959.66 × 5,848.98
  4. Step 4: Simplify right side
    20,638.89x = 181,082,432.15
  5. Step 5: Solve for x
    x = 181,082,432.15/20,638.89
  6. Step 6: Final answer
    x = 8,773.85

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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.