Home / 15,845.73-21,843.81-12,062.31

Finding the Fourth Proportional to 15,845.73, 21,843.81 and 12,062.31

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Solution

The fourth proportional to 15,845.73, 21,843.81 and 12,062.31 is: 16,628.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845.73 : 21,843.81 = 12,062.31 : x
  2. Step 2: Convert to fraction form
    15,845.73/21,843.81 = 12,062.31/x
  3. Step 3: Cross multiply
    15,845.73x = 21,843.81 × 12,062.31
  4. Step 4: Simplify right side
    15,845.73x = 263,486,807.80
  5. Step 5: Solve for x
    x = 263,486,807.80/15,845.73
  6. Step 6: Final answer
    x = 16,628.25

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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.