Home / 15,917.56-21,966.07-8,843.83

Finding the Fourth Proportional to 15,917.56, 21,966.07 and 8,843.83

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Solution

The fourth proportional to 15,917.56, 21,966.07 and 8,843.83 is: 12,204.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,917.56 : 21,966.07 = 8,843.83 : x
  2. Step 2: Convert to fraction form
    15,917.56/21,966.07 = 8,843.83/x
  3. Step 3: Cross multiply
    15,917.56x = 21,966.07 × 8,843.83
  4. Step 4: Simplify right side
    15,917.56x = 194,264,056.91
  5. Step 5: Solve for x
    x = 194,264,056.91/15,917.56
  6. Step 6: Final answer
    x = 12,204.39

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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.