Home / 13,491.01-20,231.65-5,700.43

Finding the Fourth Proportional to 13,491.01, 20,231.65 and 5,700.43

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Solution

The fourth proportional to 13,491.01, 20,231.65 and 5,700.43 is: 8,548.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491.01 : 20,231.65 = 5,700.43 : x
  2. Step 2: Convert to fraction form
    13,491.01/20,231.65 = 5,700.43/x
  3. Step 3: Cross multiply
    13,491.01x = 20,231.65 × 5,700.43
  4. Step 4: Simplify right side
    13,491.01x = 115,329,104.61
  5. Step 5: Solve for x
    x = 115,329,104.61/13,491.01
  6. Step 6: Final answer
    x = 8,548.59

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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.