Home / 13,040.38-19,560.48-5,249.08

Finding the Fourth Proportional to 13,040.38, 19,560.48 and 5,249.08

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Solution

The fourth proportional to 13,040.38, 19,560.48 and 5,249.08 is: 7,873.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.38 : 19,560.48 = 5,249.08 : x
  2. Step 2: Convert to fraction form
    13,040.38/19,560.48 = 5,249.08/x
  3. Step 3: Cross multiply
    13,040.38x = 19,560.48 × 5,249.08
  4. Step 4: Simplify right side
    13,040.38x = 102,674,524.36
  5. Step 5: Solve for x
    x = 102,674,524.36/13,040.38
  6. Step 6: Final answer
    x = 7,873.58

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1.5x scale

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.