Home / 23,148.72-34,684.20-18,522

Finding the Fourth Proportional to 23,148.72, 34,684.20 and 18,522

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Solution

The fourth proportional to 23,148.72, 34,684.20 and 18,522 is: 27,751.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148.72 : 34,684.20 = 18,522 : x
  2. Step 2: Convert to fraction form
    23,148.72/34,684.20 = 18,522/x
  3. Step 3: Cross multiply
    23,148.72x = 34,684.20 × 18,522
  4. Step 4: Simplify right side
    23,148.72x = 642,420,752.40
  5. Step 5: Solve for x
    x = 642,420,752.40/23,148.72
  6. Step 6: Final answer
    x = 27,751.89

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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.