Home / 13,371.42-20,055.65-3,511.83

Finding the Fourth Proportional to 13,371.42, 20,055.65 and 3,511.83

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Solution

The fourth proportional to 13,371.42, 20,055.65 and 3,511.83 is: 5,267.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.42 : 20,055.65 = 3,511.83 : x
  2. Step 2: Convert to fraction form
    13,371.42/20,055.65 = 3,511.83/x
  3. Step 3: Cross multiply
    13,371.42x = 20,055.65 × 3,511.83
  4. Step 4: Simplify right side
    13,371.42x = 70,432,015.78
  5. Step 5: Solve for x
    x = 70,432,015.78/13,371.42
  6. Step 6: Final answer
    x = 5,267.35

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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.