Home / 15,877.50-23,816.25-4,190.82

Finding the Fourth Proportional to 15,877.50, 23,816.25 and 4,190.82

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Solution

The fourth proportional to 15,877.50, 23,816.25 and 4,190.82 is: 6,286.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,877.50 : 23,816.25 = 4,190.82 : x
  2. Step 2: Convert to fraction form
    15,877.50/23,816.25 = 4,190.82/x
  3. Step 3: Cross multiply
    15,877.50x = 23,816.25 × 4,190.82
  4. Step 4: Simplify right side
    15,877.50x = 99,809,616.83
  5. Step 5: Solve for x
    x = 99,809,616.83/15,877.50
  6. Step 6: Final answer
    x = 6,286.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.