Home / 22,199.48-30,630.24-13,245.24

Finding the Fourth Proportional to 22,199.48, 30,630.24 and 13,245.24

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Solution

The fourth proportional to 22,199.48, 30,630.24 and 13,245.24 is: 18,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,199.48 : 30,630.24 = 13,245.24 : x
  2. Step 2: Convert to fraction form
    22,199.48/30,630.24 = 13,245.24/x
  3. Step 3: Cross multiply
    22,199.48x = 30,630.24 × 13,245.24
  4. Step 4: Simplify right side
    22,199.48x = 405,704,880.06
  5. Step 5: Solve for x
    x = 405,704,880.06/22,199.48
  6. Step 6: Final answer
    x = 18,275.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.