Home / 13,948.58-19,249.47-7,660.94

Finding the Fourth Proportional to 13,948.58, 19,249.47 and 7,660.94

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Solution

The fourth proportional to 13,948.58, 19,249.47 and 7,660.94 is: 10,572.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.58 : 19,249.47 = 7,660.94 : x
  2. Step 2: Convert to fraction form
    13,948.58/19,249.47 = 7,660.94/x
  3. Step 3: Cross multiply
    13,948.58x = 19,249.47 × 7,660.94
  4. Step 4: Simplify right side
    13,948.58x = 147,469,034.70
  5. Step 5: Solve for x
    x = 147,469,034.70/13,948.58
  6. Step 6: Final answer
    x = 10,572.33

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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.