Home / 14,269.28-19,691.28-7,982.24

Finding the Fourth Proportional to 14,269.28, 19,691.28 and 7,982.24

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Solution

The fourth proportional to 14,269.28, 19,691.28 and 7,982.24 is: 11,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.28 : 19,691.28 = 7,982.24 : x
  2. Step 2: Convert to fraction form
    14,269.28/19,691.28 = 7,982.24/x
  3. Step 3: Cross multiply
    14,269.28x = 19,691.28 × 7,982.24
  4. Step 4: Simplify right side
    14,269.28x = 157,180,522.87
  5. Step 5: Solve for x
    x = 157,180,522.87/14,269.28
  6. Step 6: Final answer
    x = 11,015.31

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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.