Home / 19,941.24-29,930.44-10,087.46

Finding the Fourth Proportional to 19,941.24, 29,930.44 and 10,087.46

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Solution

The fourth proportional to 19,941.24, 29,930.44 and 10,087.46 is: 15,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.24 : 29,930.44 = 10,087.46 : x
  2. Step 2: Convert to fraction form
    19,941.24/29,930.44 = 10,087.46/x
  3. Step 3: Cross multiply
    19,941.24x = 29,930.44 × 10,087.46
  4. Step 4: Simplify right side
    19,941.24x = 301,922,116.28
  5. Step 5: Solve for x
    x = 301,922,116.28/19,941.24
  6. Step 6: Final answer
    x = 15,140.59

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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.