Home / 14,996.16-20,691.36-9,690.24

Finding the Fourth Proportional to 14,996.16, 20,691.36 and 9,690.24

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Solution

The fourth proportional to 14,996.16, 20,691.36 and 9,690.24 is: 13,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,996.16 : 20,691.36 = 9,690.24 : x
  2. Step 2: Convert to fraction form
    14,996.16/20,691.36 = 9,690.24/x
  3. Step 3: Cross multiply
    14,996.16x = 20,691.36 × 9,690.24
  4. Step 4: Simplify right side
    14,996.16x = 200,504,244.33
  5. Step 5: Solve for x
    x = 200,504,244.33/14,996.16
  6. Step 6: Final answer
    x = 13,370.37

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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.