Home / 20,567.63-28,383.85-12,614.24

Finding the Fourth Proportional to 20,567.63, 28,383.85 and 12,614.24

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Solution

The fourth proportional to 20,567.63, 28,383.85 and 12,614.24 is: 17,407.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567.63 : 28,383.85 = 12,614.24 : x
  2. Step 2: Convert to fraction form
    20,567.63/28,383.85 = 12,614.24/x
  3. Step 3: Cross multiply
    20,567.63x = 28,383.85 × 12,614.24
  4. Step 4: Simplify right side
    20,567.63x = 358,040,782.75
  5. Step 5: Solve for x
    x = 358,040,782.75/20,567.63
  6. Step 6: Final answer
    x = 17,407.97

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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.