Home / 22,334.42-30,818.99-13,256.55

Finding the Fourth Proportional to 22,334.42, 30,818.99 and 13,256.55

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Solution

The fourth proportional to 22,334.42, 30,818.99 and 13,256.55 is: 18,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,334.42 : 30,818.99 = 13,256.55 : x
  2. Step 2: Convert to fraction form
    22,334.42/30,818.99 = 13,256.55/x
  3. Step 3: Cross multiply
    22,334.42x = 30,818.99 × 13,256.55
  4. Step 4: Simplify right side
    22,334.42x = 408,553,481.88
  5. Step 5: Solve for x
    x = 408,553,481.88/22,334.42
  6. Step 6: Final answer
    x = 18,292.55

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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.