Home / 19,829.66-27,365.20-10,876.58

Finding the Fourth Proportional to 19,829.66, 27,365.20 and 10,876.58

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Solution

The fourth proportional to 19,829.66, 27,365.20 and 10,876.58 is: 15,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.66 : 27,365.20 = 10,876.58 : x
  2. Step 2: Convert to fraction form
    19,829.66/27,365.20 = 10,876.58/x
  3. Step 3: Cross multiply
    19,829.66x = 27,365.20 × 10,876.58
  4. Step 4: Simplify right side
    19,829.66x = 297,639,787.02
  5. Step 5: Solve for x
    x = 297,639,787.02/19,829.66
  6. Step 6: Final answer
    x = 15,009.83

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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.