Home / 15,198.90-22,821.69-13,548.53

Finding the Fourth Proportional to 15,198.90, 22,821.69 and 13,548.53

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Solution

The fourth proportional to 15,198.90, 22,821.69 and 13,548.53 is: 20,343.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,198.90 : 22,821.69 = 13,548.53 : x
  2. Step 2: Convert to fraction form
    15,198.90/22,821.69 = 13,548.53/x
  3. Step 3: Cross multiply
    15,198.90x = 22,821.69 × 13,548.53
  4. Step 4: Simplify right side
    15,198.90x = 309,200,285.99
  5. Step 5: Solve for x
    x = 309,200,285.99/15,198.90
  6. Step 6: Final answer
    x = 20,343.59

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1.5x scale

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.