Home / 19,924.76-27,495.97-10,972.09

Finding the Fourth Proportional to 19,924.76, 27,495.97 and 10,972.09

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Solution

The fourth proportional to 19,924.76, 27,495.97 and 10,972.09 is: 15,141.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,924.76 : 27,495.97 = 10,972.09 : x
  2. Step 2: Convert to fraction form
    19,924.76/27,495.97 = 10,972.09/x
  3. Step 3: Cross multiply
    19,924.76x = 27,495.97 × 10,972.09
  4. Step 4: Simplify right side
    19,924.76x = 301,688,257.48
  5. Step 5: Solve for x
    x = 301,688,257.48/19,924.76
  6. Step 6: Final answer
    x = 15,141.37

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1.5x scale

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.