Home / 19,935.90-29,922.38-10,082.25

Finding the Fourth Proportional to 19,935.90, 29,922.38 and 10,082.25

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Solution

The fourth proportional to 19,935.90, 29,922.38 and 10,082.25 is: 15,132.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.90 : 29,922.38 = 10,082.25 : x
  2. Step 2: Convert to fraction form
    19,935.90/29,922.38 = 10,082.25/x
  3. Step 3: Cross multiply
    19,935.90x = 29,922.38 × 10,082.25
  4. Step 4: Simplify right side
    19,935.90x = 301,684,915.76
  5. Step 5: Solve for x
    x = 301,684,915.76/19,935.90
  6. Step 6: Final answer
    x = 15,132.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.