Home / 13,511.16-20,266.52-6,933.56

Finding the Fourth Proportional to 13,511.16, 20,266.52 and 6,933.56

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Solution

The fourth proportional to 13,511.16, 20,266.52 and 6,933.56 is: 10,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511.16 : 20,266.52 = 6,933.56 : x
  2. Step 2: Convert to fraction form
    13,511.16/20,266.52 = 6,933.56/x
  3. Step 3: Cross multiply
    13,511.16x = 20,266.52 × 6,933.56
  4. Step 4: Simplify right side
    13,511.16x = 140,519,132.41
  5. Step 5: Solve for x
    x = 140,519,132.41/13,511.16
  6. Step 6: Final answer
    x = 10,400.23

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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.