Home / 13,040.12-19,560.72-5,249

Finding the Fourth Proportional to 13,040.12, 19,560.72 and 5,249

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Solution

The fourth proportional to 13,040.12, 19,560.72 and 5,249 is: 7,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.12 : 19,560.72 = 5,249 : x
  2. Step 2: Convert to fraction form
    13,040.12/19,560.72 = 5,249/x
  3. Step 3: Cross multiply
    13,040.12x = 19,560.72 × 5,249
  4. Step 4: Simplify right side
    13,040.12x = 102,674,219.28
  5. Step 5: Solve for x
    x = 102,674,219.28/13,040.12
  6. Step 6: Final answer
    x = 7,873.72

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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.