Home / 14,345.06-19,796.13-7,972.22

Finding the Fourth Proportional to 14,345.06, 19,796.13 and 7,972.22

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Solution

The fourth proportional to 14,345.06, 19,796.13 and 7,972.22 is: 11,001.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.06 : 19,796.13 = 7,972.22 : x
  2. Step 2: Convert to fraction form
    14,345.06/19,796.13 = 7,972.22/x
  3. Step 3: Cross multiply
    14,345.06x = 19,796.13 × 7,972.22
  4. Step 4: Simplify right side
    14,345.06x = 157,819,153.00
  5. Step 5: Solve for x
    x = 157,819,153.00/14,345.06
  6. Step 6: Final answer
    x = 11,001.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.