Home / 14,443.89-21,649.64-9,455.82

Finding the Fourth Proportional to 14,443.89, 21,649.64 and 9,455.82

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Solution

The fourth proportional to 14,443.89, 21,649.64 and 9,455.82 is: 14,173.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443.89 : 21,649.64 = 9,455.82 : x
  2. Step 2: Convert to fraction form
    14,443.89/21,649.64 = 9,455.82/x
  3. Step 3: Cross multiply
    14,443.89x = 21,649.64 × 9,455.82
  4. Step 4: Simplify right side
    14,443.89x = 204,715,051.63
  5. Step 5: Solve for x
    x = 204,715,051.63/14,443.89
  6. Step 6: Final answer
    x = 14,173.12

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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.