Home / 12,266.29-18,399.50-11,668.66

Finding the Fourth Proportional to 12,266.29, 18,399.50 and 11,668.66

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Solution

The fourth proportional to 12,266.29, 18,399.50 and 11,668.66 is: 17,503.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.29 : 18,399.50 = 11,668.66 : x
  2. Step 2: Convert to fraction form
    12,266.29/18,399.50 = 11,668.66/x
  3. Step 3: Cross multiply
    12,266.29x = 18,399.50 × 11,668.66
  4. Step 4: Simplify right side
    12,266.29x = 214,697,514.72
  5. Step 5: Solve for x
    x = 214,697,514.72/12,266.29
  6. Step 6: Final answer
    x = 17,503.06

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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.