Home / 15,797.07-21,773.96-11,199.38

Finding the Fourth Proportional to 15,797.07, 21,773.96 and 11,199.38

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Solution

The fourth proportional to 15,797.07, 21,773.96 and 11,199.38 is: 15,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,797.07 : 21,773.96 = 11,199.38 : x
  2. Step 2: Convert to fraction form
    15,797.07/21,773.96 = 11,199.38/x
  3. Step 3: Cross multiply
    15,797.07x = 21,773.96 × 11,199.38
  4. Step 4: Simplify right side
    15,797.07x = 243,854,687.28
  5. Step 5: Solve for x
    x = 243,854,687.28/15,797.07
  6. Step 6: Final answer
    x = 15,436.70

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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.