Home / 14,039.21-21,064.13-6,546.61

Finding the Fourth Proportional to 14,039.21, 21,064.13 and 6,546.61

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Solution

The fourth proportional to 14,039.21, 21,064.13 and 6,546.61 is: 9,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.21 : 21,064.13 = 6,546.61 : x
  2. Step 2: Convert to fraction form
    14,039.21/21,064.13 = 6,546.61/x
  3. Step 3: Cross multiply
    14,039.21x = 21,064.13 × 6,546.61
  4. Step 4: Simplify right side
    14,039.21x = 137,898,644.10
  5. Step 5: Solve for x
    x = 137,898,644.10/14,039.21
  6. Step 6: Final answer
    x = 9,822.39

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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.