Home / 14,631.45-20,194.02-8,666.07

Finding the Fourth Proportional to 14,631.45, 20,194.02 and 8,666.07

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Solution

The fourth proportional to 14,631.45, 20,194.02 and 8,666.07 is: 11,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.45 : 20,194.02 = 8,666.07 : x
  2. Step 2: Convert to fraction form
    14,631.45/20,194.02 = 8,666.07/x
  3. Step 3: Cross multiply
    14,631.45x = 20,194.02 × 8,666.07
  4. Step 4: Simplify right side
    14,631.45x = 175,002,790.90
  5. Step 5: Solve for x
    x = 175,002,790.90/14,631.45
  6. Step 6: Final answer
    x = 11,960.73

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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.