Home / 14,493.78-21,699.30-9,548.28

Finding the Fourth Proportional to 14,493.78, 21,699.30 and 9,548.28

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Solution

The fourth proportional to 14,493.78, 21,699.30 and 9,548.28 is: 14,295.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,493.78 : 21,699.30 = 9,548.28 : x
  2. Step 2: Convert to fraction form
    14,493.78/21,699.30 = 9,548.28/x
  3. Step 3: Cross multiply
    14,493.78x = 21,699.30 × 9,548.28
  4. Step 4: Simplify right side
    14,493.78x = 207,190,992.20
  5. Step 5: Solve for x
    x = 207,190,992.20/14,493.78
  6. Step 6: Final answer
    x = 14,295.17

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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.