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Finding the Fourth Proportional to 18,833.52, 25,975.14 and 16,010.22

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Solution

The fourth proportional to 18,833.52, 25,975.14 and 16,010.22 is: 22,081.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.52 : 25,975.14 = 16,010.22 : x
  2. Step 2: Convert to fraction form
    18,833.52/25,975.14 = 16,010.22/x
  3. Step 3: Cross multiply
    18,833.52x = 25,975.14 × 16,010.22
  4. Step 4: Simplify right side
    18,833.52x = 415,867,705.93
  5. Step 5: Solve for x
    x = 415,867,705.93/18,833.52
  6. Step 6: Final answer
    x = 22,081.25

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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.