Home / 19,828.88-27,363.90-10,876.42

Finding the Fourth Proportional to 19,828.88, 27,363.90 and 10,876.42

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Solution

The fourth proportional to 19,828.88, 27,363.90 and 10,876.42 is: 15,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.88 : 27,363.90 = 10,876.42 : x
  2. Step 2: Convert to fraction form
    19,828.88/27,363.90 = 10,876.42/x
  3. Step 3: Cross multiply
    19,828.88x = 27,363.90 × 10,876.42
  4. Step 4: Simplify right side
    19,828.88x = 297,621,236.68
  5. Step 5: Solve for x
    x = 297,621,236.68/19,828.88
  6. Step 6: Final answer
    x = 15,009.48

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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.