Home / 14,026.56-21,048.48-7,791.36

Finding the Fourth Proportional to 14,026.56, 21,048.48 and 7,791.36

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Solution

The fourth proportional to 14,026.56, 21,048.48 and 7,791.36 is: 11,691.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026.56 : 21,048.48 = 7,791.36 : x
  2. Step 2: Convert to fraction form
    14,026.56/21,048.48 = 7,791.36/x
  3. Step 3: Cross multiply
    14,026.56x = 21,048.48 × 7,791.36
  4. Step 4: Simplify right side
    14,026.56x = 163,996,285.13
  5. Step 5: Solve for x
    x = 163,996,285.13/14,026.56
  6. Step 6: Final answer
    x = 11,691.84

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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.