Home / 13,414.36-20,118.42-5,095.24

Finding the Fourth Proportional to 13,414.36, 20,118.42 and 5,095.24

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Solution

The fourth proportional to 13,414.36, 20,118.42 and 5,095.24 is: 7,641.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.36 : 20,118.42 = 5,095.24 : x
  2. Step 2: Convert to fraction form
    13,414.36/20,118.42 = 5,095.24/x
  3. Step 3: Cross multiply
    13,414.36x = 20,118.42 × 5,095.24
  4. Step 4: Simplify right side
    13,414.36x = 102,508,178.32
  5. Step 5: Solve for x
    x = 102,508,178.32/13,414.36
  6. Step 6: Final answer
    x = 7,641.67

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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.