Home / 13,934.29-19,228.05-8,268.06

Finding the Fourth Proportional to 13,934.29, 19,228.05 and 8,268.06

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Solution

The fourth proportional to 13,934.29, 19,228.05 and 8,268.06 is: 11,409.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.29 : 19,228.05 = 8,268.06 : x
  2. Step 2: Convert to fraction form
    13,934.29/19,228.05 = 8,268.06/x
  3. Step 3: Cross multiply
    13,934.29x = 19,228.05 × 8,268.06
  4. Step 4: Simplify right side
    13,934.29x = 158,978,600.15
  5. Step 5: Solve for x
    x = 158,978,600.15/13,934.29
  6. Step 6: Final answer
    x = 11,409.17

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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.