Home / 23,618.82-35,243.19-21,136.59

Finding the Fourth Proportional to 23,618.82, 35,243.19 and 21,136.59

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Solution

The fourth proportional to 23,618.82, 35,243.19 and 21,136.59 is: 31,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,618.82 : 35,243.19 = 21,136.59 : x
  2. Step 2: Convert to fraction form
    23,618.82/35,243.19 = 21,136.59/x
  3. Step 3: Cross multiply
    23,618.82x = 35,243.19 × 21,136.59
  4. Step 4: Simplify right side
    23,618.82x = 744,920,857.32
  5. Step 5: Solve for x
    x = 744,920,857.32/23,618.82
  6. Step 6: Final answer
    x = 31,539.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.