Home / 14,502.26-20,022.75-11,139.06

Finding the Fourth Proportional to 14,502.26, 20,022.75 and 11,139.06

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Solution

The fourth proportional to 14,502.26, 20,022.75 and 11,139.06 is: 15,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,502.26 : 20,022.75 = 11,139.06 : x
  2. Step 2: Convert to fraction form
    14,502.26/20,022.75 = 11,139.06/x
  3. Step 3: Cross multiply
    14,502.26x = 20,022.75 × 11,139.06
  4. Step 4: Simplify right side
    14,502.26x = 223,034,613.62
  5. Step 5: Solve for x
    x = 223,034,613.62/14,502.26
  6. Step 6: Final answer
    x = 15,379.30

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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.