Home / 14,976.08-20,667.90-8,261.68

Finding the Fourth Proportional to 14,976.08, 20,667.90 and 8,261.68

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Solution

The fourth proportional to 14,976.08, 20,667.90 and 8,261.68 is: 11,401.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,976.08 : 20,667.90 = 8,261.68 : x
  2. Step 2: Convert to fraction form
    14,976.08/20,667.90 = 8,261.68/x
  3. Step 3: Cross multiply
    14,976.08x = 20,667.90 × 8,261.68
  4. Step 4: Simplify right side
    14,976.08x = 170,751,576.07
  5. Step 5: Solve for x
    x = 170,751,576.07/14,976.08
  6. Step 6: Final answer
    x = 11,401.62

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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.