Home / 13,462.04-20,180.06-6,891.32

Finding the Fourth Proportional to 13,462.04, 20,180.06 and 6,891.32

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Solution

The fourth proportional to 13,462.04, 20,180.06 and 6,891.32 is: 10,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462.04 : 20,180.06 = 6,891.32 : x
  2. Step 2: Convert to fraction form
    13,462.04/20,180.06 = 6,891.32/x
  3. Step 3: Cross multiply
    13,462.04x = 20,180.06 × 6,891.32
  4. Step 4: Simplify right side
    13,462.04x = 139,067,251.08
  5. Step 5: Solve for x
    x = 139,067,251.08/13,462.04
  6. Step 6: Final answer
    x = 10,330.33

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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.