Home / 13,296.78-19,926.34-7,376.25

Finding the Fourth Proportional to 13,296.78, 19,926.34 and 7,376.25

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Solution

The fourth proportional to 13,296.78, 19,926.34 and 7,376.25 is: 11,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.78 : 19,926.34 = 7,376.25 : x
  2. Step 2: Convert to fraction form
    13,296.78/19,926.34 = 7,376.25/x
  3. Step 3: Cross multiply
    13,296.78x = 19,926.34 × 7,376.25
  4. Step 4: Simplify right side
    13,296.78x = 146,981,721.71
  5. Step 5: Solve for x
    x = 146,981,721.71/13,296.78
  6. Step 6: Final answer
    x = 11,053.93

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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.