Home / 13,901.06-20,844.76-6,872.94

Finding the Fourth Proportional to 13,901.06, 20,844.76 and 6,872.94

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Solution

The fourth proportional to 13,901.06, 20,844.76 and 6,872.94 is: 10,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.06 : 20,844.76 = 6,872.94 : x
  2. Step 2: Convert to fraction form
    13,901.06/20,844.76 = 6,872.94/x
  3. Step 3: Cross multiply
    13,901.06x = 20,844.76 × 6,872.94
  4. Step 4: Simplify right side
    13,901.06x = 143,264,784.79
  5. Step 5: Solve for x
    x = 143,264,784.79/13,901.06
  6. Step 6: Final answer
    x = 10,306.03

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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.