Home / 12,514.14-18,792.70-11,111.74

Finding the Fourth Proportional to 12,514.14, 18,792.70 and 11,111.74

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Solution

The fourth proportional to 12,514.14, 18,792.70 and 11,111.74 is: 16,686.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,514.14 : 18,792.70 = 11,111.74 : x
  2. Step 2: Convert to fraction form
    12,514.14/18,792.70 = 11,111.74/x
  3. Step 3: Cross multiply
    12,514.14x = 18,792.70 × 11,111.74
  4. Step 4: Simplify right side
    12,514.14x = 208,819,596.30
  5. Step 5: Solve for x
    x = 208,819,596.30/12,514.14
  6. Step 6: Final answer
    x = 16,686.69

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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.