Home / 14,940.78-22,399.62-7,541.43

Finding the Fourth Proportional to 14,940.78, 22,399.62 and 7,541.43

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Solution

The fourth proportional to 14,940.78, 22,399.62 and 7,541.43 is: 11,306.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.78 : 22,399.62 = 7,541.43 : x
  2. Step 2: Convert to fraction form
    14,940.78/22,399.62 = 7,541.43/x
  3. Step 3: Cross multiply
    14,940.78x = 22,399.62 × 7,541.43
  4. Step 4: Simplify right side
    14,940.78x = 168,925,166.26
  5. Step 5: Solve for x
    x = 168,925,166.26/14,940.78
  6. Step 6: Final answer
    x = 11,306.32

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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.