Home / 14,960.80-20,646.34-8,246.51

Finding the Fourth Proportional to 14,960.80, 20,646.34 and 8,246.51

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Solution

The fourth proportional to 14,960.80, 20,646.34 and 8,246.51 is: 11,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,960.80 : 20,646.34 = 8,246.51 : x
  2. Step 2: Convert to fraction form
    14,960.80/20,646.34 = 8,246.51/x
  3. Step 3: Cross multiply
    14,960.80x = 20,646.34 × 8,246.51
  4. Step 4: Simplify right side
    14,960.80x = 170,260,249.24
  5. Step 5: Solve for x
    x = 170,260,249.24/14,960.80
  6. Step 6: Final answer
    x = 11,380.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.