Home / 14,515.14-20,034.18-8,851.80

Finding the Fourth Proportional to 14,515.14, 20,034.18 and 8,851.80

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Solution

The fourth proportional to 14,515.14, 20,034.18 and 8,851.80 is: 12,217.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.14 : 20,034.18 = 8,851.80 : x
  2. Step 2: Convert to fraction form
    14,515.14/20,034.18 = 8,851.80/x
  3. Step 3: Cross multiply
    14,515.14x = 20,034.18 × 8,851.80
  4. Step 4: Simplify right side
    14,515.14x = 177,338,554.52
  5. Step 5: Solve for x
    x = 177,338,554.52/14,515.14
  6. Step 6: Final answer
    x = 12,217.49

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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.