Home / 19,929.15-27,502.57-10,976.02

Finding the Fourth Proportional to 19,929.15, 27,502.57 and 10,976.02

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Solution

The fourth proportional to 19,929.15, 27,502.57 and 10,976.02 is: 15,147.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.15 : 27,502.57 = 10,976.02 : x
  2. Step 2: Convert to fraction form
    19,929.15/27,502.57 = 10,976.02/x
  3. Step 3: Cross multiply
    19,929.15x = 27,502.57 × 10,976.02
  4. Step 4: Simplify right side
    19,929.15x = 301,868,703.33
  5. Step 5: Solve for x
    x = 301,868,703.33/19,929.15
  6. Step 6: Final answer
    x = 15,147.09

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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.