Home / 20,567.14-28,379.59-11,614.46

Finding the Fourth Proportional to 20,567.14, 28,379.59 and 11,614.46

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Solution

The fourth proportional to 20,567.14, 28,379.59 and 11,614.46 is: 16,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567.14 : 28,379.59 = 11,614.46 : x
  2. Step 2: Convert to fraction form
    20,567.14/28,379.59 = 11,614.46/x
  3. Step 3: Cross multiply
    20,567.14x = 28,379.59 × 11,614.46
  4. Step 4: Simplify right side
    20,567.14x = 329,613,654.78
  5. Step 5: Solve for x
    x = 329,613,654.78/20,567.14
  6. Step 6: Final answer
    x = 16,026.23

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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.