Home / 19,838.16-27,377.44-10,886.04

Finding the Fourth Proportional to 19,838.16, 27,377.44 and 10,886.04

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Solution

The fourth proportional to 19,838.16, 27,377.44 and 10,886.04 is: 15,023.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.16 : 27,377.44 = 10,886.04 : x
  2. Step 2: Convert to fraction form
    19,838.16/27,377.44 = 10,886.04/x
  3. Step 3: Cross multiply
    19,838.16x = 27,377.44 × 10,886.04
  4. Step 4: Simplify right side
    19,838.16x = 298,031,879.72
  5. Step 5: Solve for x
    x = 298,031,879.72/19,838.16
  6. Step 6: Final answer
    x = 15,023.16

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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.