Home / 14,561.11-21,820.97-6,644.17

Finding the Fourth Proportional to 14,561.11, 21,820.97 and 6,644.17

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Solution

The fourth proportional to 14,561.11, 21,820.97 and 6,644.17 is: 9,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561.11 : 21,820.97 = 6,644.17 : x
  2. Step 2: Convert to fraction form
    14,561.11/21,820.97 = 6,644.17/x
  3. Step 3: Cross multiply
    14,561.11x = 21,820.97 × 6,644.17
  4. Step 4: Simplify right side
    14,561.11x = 144,982,196.30
  5. Step 5: Solve for x
    x = 144,982,196.30/14,561.11
  6. Step 6: Final answer
    x = 9,956.81

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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.