Home / 21,050.28-29,049.56-11,490.24

Finding the Fourth Proportional to 21,050.28, 29,049.56 and 11,490.24

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Solution

The fourth proportional to 21,050.28, 29,049.56 and 11,490.24 is: 15,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.28 : 29,049.56 = 11,490.24 : x
  2. Step 2: Convert to fraction form
    21,050.28/29,049.56 = 11,490.24/x
  3. Step 3: Cross multiply
    21,050.28x = 29,049.56 × 11,490.24
  4. Step 4: Simplify right side
    21,050.28x = 333,786,416.29
  5. Step 5: Solve for x
    x = 333,786,416.29/21,050.28
  6. Step 6: Final answer
    x = 15,856.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.