Home / 19,212.55-26,515.91-11,257.95

Finding the Fourth Proportional to 19,212.55, 26,515.91 and 11,257.95

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Solution

The fourth proportional to 19,212.55, 26,515.91 and 11,257.95 is: 15,537.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.55 : 26,515.91 = 11,257.95 : x
  2. Step 2: Convert to fraction form
    19,212.55/26,515.91 = 11,257.95/x
  3. Step 3: Cross multiply
    19,212.55x = 26,515.91 × 11,257.95
  4. Step 4: Simplify right side
    19,212.55x = 298,514,788.98
  5. Step 5: Solve for x
    x = 298,514,788.98/19,212.55
  6. Step 6: Final answer
    x = 15,537.49

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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.