Home / 13,934.46-19,228.28-8,268.23

Finding the Fourth Proportional to 13,934.46, 19,228.28 and 8,268.23

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Solution

The fourth proportional to 13,934.46, 19,228.28 and 8,268.23 is: 11,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.46 : 19,228.28 = 8,268.23 : x
  2. Step 2: Convert to fraction form
    13,934.46/19,228.28 = 8,268.23/x
  3. Step 3: Cross multiply
    13,934.46x = 19,228.28 × 8,268.23
  4. Step 4: Simplify right side
    13,934.46x = 158,983,841.54
  5. Step 5: Solve for x
    x = 158,983,841.54/13,934.46
  6. Step 6: Final answer
    x = 11,409.40

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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.