Home / 18,180.66-25,085.22-10,522.74

Finding the Fourth Proportional to 18,180.66, 25,085.22 and 10,522.74

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Solution

The fourth proportional to 18,180.66, 25,085.22 and 10,522.74 is: 14,519.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.66 : 25,085.22 = 10,522.74 : x
  2. Step 2: Convert to fraction form
    18,180.66/25,085.22 = 10,522.74/x
  3. Step 3: Cross multiply
    18,180.66x = 25,085.22 × 10,522.74
  4. Step 4: Simplify right side
    18,180.66x = 263,965,361.70
  5. Step 5: Solve for x
    x = 263,965,361.70/18,180.66
  6. Step 6: Final answer
    x = 14,519.02

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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.