Home / 14,960.80-20,646.84-8,246.42

Finding the Fourth Proportional to 14,960.80, 20,646.84 and 8,246.42

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Solution

The fourth proportional to 14,960.80, 20,646.84 and 8,246.42 is: 11,380.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,960.80 : 20,646.84 = 8,246.42 : x
  2. Step 2: Convert to fraction form
    14,960.80/20,646.84 = 8,246.42/x
  3. Step 3: Cross multiply
    14,960.80x = 20,646.84 × 8,246.42
  4. Step 4: Simplify right side
    14,960.80x = 170,262,514.31
  5. Step 5: Solve for x
    x = 170,262,514.31/14,960.80
  6. Step 6: Final answer
    x = 11,380.58

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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.