Home / 13,731.26-18,952.53-9,021.92

Finding the Fourth Proportional to 13,731.26, 18,952.53 and 9,021.92

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Solution

The fourth proportional to 13,731.26, 18,952.53 and 9,021.92 is: 12,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.26 : 18,952.53 = 9,021.92 : x
  2. Step 2: Convert to fraction form
    13,731.26/18,952.53 = 9,021.92/x
  3. Step 3: Cross multiply
    13,731.26x = 18,952.53 × 9,021.92
  4. Step 4: Simplify right side
    13,731.26x = 170,988,209.46
  5. Step 5: Solve for x
    x = 170,988,209.46/13,731.26
  6. Step 6: Final answer
    x = 12,452.48

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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.