Home / 19,929.13-27,502.19-10,976.41

Finding the Fourth Proportional to 19,929.13, 27,502.19 and 10,976.41

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Solution

The fourth proportional to 19,929.13, 27,502.19 and 10,976.41 is: 15,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.13 : 27,502.19 = 10,976.41 : x
  2. Step 2: Convert to fraction form
    19,929.13/27,502.19 = 10,976.41/x
  3. Step 3: Cross multiply
    19,929.13x = 27,502.19 × 10,976.41
  4. Step 4: Simplify right side
    19,929.13x = 301,875,258.46
  5. Step 5: Solve for x
    x = 301,875,258.46/19,929.13
  6. Step 6: Final answer
    x = 15,147.44

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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.