Home / 14,621.31-20,176.18-8,651.94

Finding the Fourth Proportional to 14,621.31, 20,176.18 and 8,651.94

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Solution

The fourth proportional to 14,621.31, 20,176.18 and 8,651.94 is: 11,938.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.31 : 20,176.18 = 8,651.94 : x
  2. Step 2: Convert to fraction form
    14,621.31/20,176.18 = 8,651.94/x
  3. Step 3: Cross multiply
    14,621.31x = 20,176.18 × 8,651.94
  4. Step 4: Simplify right side
    14,621.31x = 174,563,098.79
  5. Step 5: Solve for x
    x = 174,563,098.79/14,621.31
  6. Step 6: Final answer
    x = 11,938.95

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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.