Home / 13,932.15-19,209.91-11,404.95

Finding the Fourth Proportional to 13,932.15, 19,209.91 and 11,404.95

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Solution

The fourth proportional to 13,932.15, 19,209.91 and 11,404.95 is: 15,725.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.15 : 19,209.91 = 11,404.95 : x
  2. Step 2: Convert to fraction form
    13,932.15/19,209.91 = 11,404.95/x
  3. Step 3: Cross multiply
    13,932.15x = 19,209.91 × 11,404.95
  4. Step 4: Simplify right side
    13,932.15x = 219,088,063.05
  5. Step 5: Solve for x
    x = 219,088,063.05/13,932.15
  6. Step 6: Final answer
    x = 15,725.36

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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.