Home / 13,993.68-20,984.58-5,675.52

Finding the Fourth Proportional to 13,993.68, 20,984.58 and 5,675.52

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Solution

The fourth proportional to 13,993.68, 20,984.58 and 5,675.52 is: 8,510.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.68 : 20,984.58 = 5,675.52 : x
  2. Step 2: Convert to fraction form
    13,993.68/20,984.58 = 5,675.52/x
  3. Step 3: Cross multiply
    13,993.68x = 20,984.58 × 5,675.52
  4. Step 4: Simplify right side
    13,993.68x = 119,098,403.48
  5. Step 5: Solve for x
    x = 119,098,403.48/13,993.68
  6. Step 6: Final answer
    x = 8,510.87

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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.