Home / 13,934.15-19,229.16-7,965.98

Finding the Fourth Proportional to 13,934.15, 19,229.16 and 7,965.98

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Solution

The fourth proportional to 13,934.15, 19,229.16 and 7,965.98 is: 10,993.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.15 : 19,229.16 = 7,965.98 : x
  2. Step 2: Convert to fraction form
    13,934.15/19,229.16 = 7,965.98/x
  3. Step 3: Cross multiply
    13,934.15x = 19,229.16 × 7,965.98
  4. Step 4: Simplify right side
    13,934.15x = 153,179,103.98
  5. Step 5: Solve for x
    x = 153,179,103.98/13,934.15
  6. Step 6: Final answer
    x = 10,993.07

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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.