Home / 19,306.04-26,643.52-11,239.85

Finding the Fourth Proportional to 19,306.04, 26,643.52 and 11,239.85

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Solution

The fourth proportional to 19,306.04, 26,643.52 and 11,239.85 is: 15,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306.04 : 26,643.52 = 11,239.85 : x
  2. Step 2: Convert to fraction form
    19,306.04/26,643.52 = 11,239.85/x
  3. Step 3: Cross multiply
    19,306.04x = 26,643.52 × 11,239.85
  4. Step 4: Simplify right side
    19,306.04x = 299,469,206.78
  5. Step 5: Solve for x
    x = 299,469,206.78/19,306.04
  6. Step 6: Final answer
    x = 15,511.69

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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.