Home / 14,941.76-20,618.87-8,226.11

Finding the Fourth Proportional to 14,941.76, 20,618.87 and 8,226.11

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Solution

The fourth proportional to 14,941.76, 20,618.87 and 8,226.11 is: 11,351.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,941.76 : 20,618.87 = 8,226.11 : x
  2. Step 2: Convert to fraction form
    14,941.76/20,618.87 = 8,226.11/x
  3. Step 3: Cross multiply
    14,941.76x = 20,618.87 × 8,226.11
  4. Step 4: Simplify right side
    14,941.76x = 169,613,103.11
  5. Step 5: Solve for x
    x = 169,613,103.11/14,941.76
  6. Step 6: Final answer
    x = 11,351.62

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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.