Home / 25,249.87-34,844.81-13,919.56

Finding the Fourth Proportional to 25,249.87, 34,844.81 and 13,919.56

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Solution

The fourth proportional to 25,249.87, 34,844.81 and 13,919.56 is: 19,208.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,249.87 : 34,844.81 = 13,919.56 : x
  2. Step 2: Convert to fraction form
    25,249.87/34,844.81 = 13,919.56/x
  3. Step 3: Cross multiply
    25,249.87x = 34,844.81 × 13,919.56
  4. Step 4: Simplify right side
    25,249.87x = 485,024,423.48
  5. Step 5: Solve for x
    x = 485,024,423.48/25,249.87
  6. Step 6: Final answer
    x = 19,208.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.