Home / 19,829.12-27,363.71-10,876.54

Finding the Fourth Proportional to 19,829.12, 27,363.71 and 10,876.54

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Solution

The fourth proportional to 19,829.12, 27,363.71 and 10,876.54 is: 15,009.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.12 : 27,363.71 = 10,876.54 : x
  2. Step 2: Convert to fraction form
    19,829.12/27,363.71 = 10,876.54/x
  3. Step 3: Cross multiply
    19,829.12x = 27,363.71 × 10,876.54
  4. Step 4: Simplify right side
    19,829.12x = 297,622,486.36
  5. Step 5: Solve for x
    x = 297,622,486.36/19,829.12
  6. Step 6: Final answer
    x = 15,009.36

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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.