Home / 13,934.77-19,228.71-8,268.55

Finding the Fourth Proportional to 13,934.77, 19,228.71 and 8,268.55

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Solution

The fourth proportional to 13,934.77, 19,228.71 and 8,268.55 is: 11,409.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.77 : 19,228.71 = 8,268.55 : x
  2. Step 2: Convert to fraction form
    13,934.77/19,228.71 = 8,268.55/x
  3. Step 3: Cross multiply
    13,934.77x = 19,228.71 × 8,268.55
  4. Step 4: Simplify right side
    13,934.77x = 158,993,453.93
  5. Step 5: Solve for x
    x = 158,993,453.93/13,934.77
  6. Step 6: Final answer
    x = 11,409.84

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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.