Home / 19,829.05-27,364.45-10,876

Finding the Fourth Proportional to 19,829.05, 27,364.45 and 10,876

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Solution

The fourth proportional to 19,829.05, 27,364.45 and 10,876 is: 15,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.05 : 27,364.45 = 10,876 : x
  2. Step 2: Convert to fraction form
    19,829.05/27,364.45 = 10,876/x
  3. Step 3: Cross multiply
    19,829.05x = 27,364.45 × 10,876
  4. Step 4: Simplify right side
    19,829.05x = 297,615,758.20
  5. Step 5: Solve for x
    x = 297,615,758.20/19,829.05
  6. Step 6: Final answer
    x = 15,009.08

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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.