Home / 13,849.06-20,776.31-5,084.05

Finding the Fourth Proportional to 13,849.06, 20,776.31 and 5,084.05

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Solution

The fourth proportional to 13,849.06, 20,776.31 and 5,084.05 is: 7,627.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.06 : 20,776.31 = 5,084.05 : x
  2. Step 2: Convert to fraction form
    13,849.06/20,776.31 = 5,084.05/x
  3. Step 3: Cross multiply
    13,849.06x = 20,776.31 × 5,084.05
  4. Step 4: Simplify right side
    13,849.06x = 105,627,669.55
  5. Step 5: Solve for x
    x = 105,627,669.55/13,849.06
  6. Step 6: Final answer
    x = 7,627.07

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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.