Home / 16,838.39-25,257.86-11,934.65

Finding the Fourth Proportional to 16,838.39, 25,257.86 and 11,934.65

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Solution

The fourth proportional to 16,838.39, 25,257.86 and 11,934.65 is: 17,902.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,838.39 : 25,257.86 = 11,934.65 : x
  2. Step 2: Convert to fraction form
    16,838.39/25,257.86 = 11,934.65/x
  3. Step 3: Cross multiply
    16,838.39x = 25,257.86 × 11,934.65
  4. Step 4: Simplify right side
    16,838.39x = 301,443,718.85
  5. Step 5: Solve for x
    x = 301,443,718.85/16,838.39
  6. Step 6: Final answer
    x = 17,902.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.