Home / 14,666.94-20,241.45-8,379.18

Finding the Fourth Proportional to 14,666.94, 20,241.45 and 8,379.18

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Solution

The fourth proportional to 14,666.94, 20,241.45 and 8,379.18 is: 11,563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.94 : 20,241.45 = 8,379.18 : x
  2. Step 2: Convert to fraction form
    14,666.94/20,241.45 = 8,379.18/x
  3. Step 3: Cross multiply
    14,666.94x = 20,241.45 × 8,379.18
  4. Step 4: Simplify right side
    14,666.94x = 169,606,753.01
  5. Step 5: Solve for x
    x = 169,606,753.01/14,666.94
  6. Step 6: Final answer
    x = 11,563.88

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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.