Home / 13,475.84-20,197.62-8,798.09

Finding the Fourth Proportional to 13,475.84, 20,197.62 and 8,798.09

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Solution

The fourth proportional to 13,475.84, 20,197.62 and 8,798.09 is: 13,186.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.84 : 20,197.62 = 8,798.09 : x
  2. Step 2: Convert to fraction form
    13,475.84/20,197.62 = 8,798.09/x
  3. Step 3: Cross multiply
    13,475.84x = 20,197.62 × 8,798.09
  4. Step 4: Simplify right side
    13,475.84x = 177,700,377.56
  5. Step 5: Solve for x
    x = 177,700,377.56/13,475.84
  6. Step 6: Final answer
    x = 13,186.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.