Home / 13,753.83-20,625.38-4,865.74

Finding the Fourth Proportional to 13,753.83, 20,625.38 and 4,865.74

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Solution

The fourth proportional to 13,753.83, 20,625.38 and 4,865.74 is: 7,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.83 : 20,625.38 = 4,865.74 : x
  2. Step 2: Convert to fraction form
    13,753.83/20,625.38 = 4,865.74/x
  3. Step 3: Cross multiply
    13,753.83x = 20,625.38 × 4,865.74
  4. Step 4: Simplify right side
    13,753.83x = 100,357,678.84
  5. Step 5: Solve for x
    x = 100,357,678.84/13,753.83
  6. Step 6: Final answer
    x = 7,296.71

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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.