Home / 14,960.90-20,646.19-8,246.79

Finding the Fourth Proportional to 14,960.90, 20,646.19 and 8,246.79

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Solution

The fourth proportional to 14,960.90, 20,646.19 and 8,246.79 is: 11,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,960.90 : 20,646.19 = 8,246.79 : x
  2. Step 2: Convert to fraction form
    14,960.90/20,646.19 = 8,246.79/x
  3. Step 3: Cross multiply
    14,960.90x = 20,646.19 × 8,246.79
  4. Step 4: Simplify right side
    14,960.90x = 170,264,793.23
  5. Step 5: Solve for x
    x = 170,264,793.23/14,960.90
  6. Step 6: Final answer
    x = 11,380.65

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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.