Home / 19,968.69-29,929.74-15,022.43

Finding the Fourth Proportional to 19,968.69, 29,929.74 and 15,022.43

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Solution

The fourth proportional to 19,968.69, 29,929.74 and 15,022.43 is: 22,516.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.69 : 29,929.74 = 15,022.43 : x
  2. Step 2: Convert to fraction form
    19,968.69/29,929.74 = 15,022.43/x
  3. Step 3: Cross multiply
    19,968.69x = 29,929.74 × 15,022.43
  4. Step 4: Simplify right side
    19,968.69x = 449,617,274.42
  5. Step 5: Solve for x
    x = 449,617,274.42/19,968.69
  6. Step 6: Final answer
    x = 22,516.11

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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.