Home / 25,249.84-34,845.46-13,920.56

Finding the Fourth Proportional to 25,249.84, 34,845.46 and 13,920.56

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Solution

The fourth proportional to 25,249.84, 34,845.46 and 13,920.56 is: 19,210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,249.84 : 34,845.46 = 13,920.56 : x
  2. Step 2: Convert to fraction form
    25,249.84/34,845.46 = 13,920.56/x
  3. Step 3: Cross multiply
    25,249.84x = 34,845.46 × 13,920.56
  4. Step 4: Simplify right side
    25,249.84x = 485,068,316.66
  5. Step 5: Solve for x
    x = 485,068,316.66/25,249.84
  6. Step 6: Final answer
    x = 19,210.75

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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.