Home / 18,417.11-27,633.83-9,649.94

Finding the Fourth Proportional to 18,417.11, 27,633.83 and 9,649.94

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Solution

The fourth proportional to 18,417.11, 27,633.83 and 9,649.94 is: 14,479.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417.11 : 27,633.83 = 9,649.94 : x
  2. Step 2: Convert to fraction form
    18,417.11/27,633.83 = 9,649.94/x
  3. Step 3: Cross multiply
    18,417.11x = 27,633.83 × 9,649.94
  4. Step 4: Simplify right side
    18,417.11x = 266,664,615.05
  5. Step 5: Solve for x
    x = 266,664,615.05/18,417.11
  6. Step 6: Final answer
    x = 14,479.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.