Home / 13,530.56-20,299.94-9,589.44

Finding the Fourth Proportional to 13,530.56, 20,299.94 and 9,589.44

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Solution

The fourth proportional to 13,530.56, 20,299.94 and 9,589.44 is: 14,387.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.56 : 20,299.94 = 9,589.44 : x
  2. Step 2: Convert to fraction form
    13,530.56/20,299.94 = 9,589.44/x
  3. Step 3: Cross multiply
    13,530.56x = 20,299.94 × 9,589.44
  4. Step 4: Simplify right side
    13,530.56x = 194,665,008.69
  5. Step 5: Solve for x
    x = 194,665,008.69/13,530.56
  6. Step 6: Final answer
    x = 14,387.07

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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.