Home / 13,342.25-20,015.44-4,454.83

Finding the Fourth Proportional to 13,342.25, 20,015.44 and 4,454.83

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Solution

The fourth proportional to 13,342.25, 20,015.44 and 4,454.83 is: 6,682.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.25 : 20,015.44 = 4,454.83 : x
  2. Step 2: Convert to fraction form
    13,342.25/20,015.44 = 4,454.83/x
  3. Step 3: Cross multiply
    13,342.25x = 20,015.44 × 4,454.83
  4. Step 4: Simplify right side
    13,342.25x = 89,165,396.46
  5. Step 5: Solve for x
    x = 89,165,396.46/13,342.25
  6. Step 6: Final answer
    x = 6,682.93

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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.