Home / 15,198.56-22,680.04-13,448.96

Finding the Fourth Proportional to 15,198.56, 22,680.04 and 13,448.96

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Solution

The fourth proportional to 15,198.56, 22,680.04 and 13,448.96 is: 20,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,198.56 : 22,680.04 = 13,448.96 : x
  2. Step 2: Convert to fraction form
    15,198.56/22,680.04 = 13,448.96/x
  3. Step 3: Cross multiply
    15,198.56x = 22,680.04 × 13,448.96
  4. Step 4: Simplify right side
    15,198.56x = 305,022,950.76
  5. Step 5: Solve for x
    x = 305,022,950.76/15,198.56
  6. Step 6: Final answer
    x = 20,069.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.