Home / 13,950.54-19,249.58-8,919.23

Finding the Fourth Proportional to 13,950.54, 19,249.58 and 8,919.23

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Solution

The fourth proportional to 13,950.54, 19,249.58 and 8,919.23 is: 12,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.54 : 19,249.58 = 8,919.23 : x
  2. Step 2: Convert to fraction form
    13,950.54/19,249.58 = 8,919.23/x
  3. Step 3: Cross multiply
    13,950.54x = 19,249.58 × 8,919.23
  4. Step 4: Simplify right side
    13,950.54x = 171,691,357.47
  5. Step 5: Solve for x
    x = 171,691,357.47/13,950.54
  6. Step 6: Final answer
    x = 12,307.15

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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.