Home / 22,136.24-30,505.92-15,837.68

Finding the Fourth Proportional to 22,136.24, 30,505.92 and 15,837.68

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Solution

The fourth proportional to 22,136.24, 30,505.92 and 15,837.68 is: 21,825.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,136.24 : 30,505.92 = 15,837.68 : x
  2. Step 2: Convert to fraction form
    22,136.24/30,505.92 = 15,837.68/x
  3. Step 3: Cross multiply
    22,136.24x = 30,505.92 × 15,837.68
  4. Step 4: Simplify right side
    22,136.24x = 483,142,999.07
  5. Step 5: Solve for x
    x = 483,142,999.07/22,136.24
  6. Step 6: Final answer
    x = 21,825.88

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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.