Home / 13,459.55-20,187.73-3,599.59

Finding the Fourth Proportional to 13,459.55, 20,187.73 and 3,599.59

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Solution

The fourth proportional to 13,459.55, 20,187.73 and 3,599.59 is: 5,398.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.55 : 20,187.73 = 3,599.59 : x
  2. Step 2: Convert to fraction form
    13,459.55/20,187.73 = 3,599.59/x
  3. Step 3: Cross multiply
    13,459.55x = 20,187.73 × 3,599.59
  4. Step 4: Simplify right side
    13,459.55x = 72,667,491.56
  5. Step 5: Solve for x
    x = 72,667,491.56/13,459.55
  6. Step 6: Final answer
    x = 5,398.96

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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.