Home / 20,840.19-31,265.15-6,049.38

Finding the Fourth Proportional to 20,840.19, 31,265.15 and 6,049.38

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Solution

The fourth proportional to 20,840.19, 31,265.15 and 6,049.38 is: 9,075.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,840.19 : 31,265.15 = 6,049.38 : x
  2. Step 2: Convert to fraction form
    20,840.19/31,265.15 = 6,049.38/x
  3. Step 3: Cross multiply
    20,840.19x = 31,265.15 × 6,049.38
  4. Step 4: Simplify right side
    20,840.19x = 189,134,773.11
  5. Step 5: Solve for x
    x = 189,134,773.11/20,840.19
  6. Step 6: Final answer
    x = 9,075.48

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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.