Home / 13,854.24-20,775.83-5,084.37

Finding the Fourth Proportional to 13,854.24, 20,775.83 and 5,084.37

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Solution

The fourth proportional to 13,854.24, 20,775.83 and 5,084.37 is: 7,624.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.24 : 20,775.83 = 5,084.37 : x
  2. Step 2: Convert to fraction form
    13,854.24/20,775.83 = 5,084.37/x
  3. Step 3: Cross multiply
    13,854.24x = 20,775.83 × 5,084.37
  4. Step 4: Simplify right side
    13,854.24x = 105,631,981.36
  5. Step 5: Solve for x
    x = 105,631,981.36/13,854.24
  6. Step 6: Final answer
    x = 7,624.52

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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.