Home / 22,342.98-30,812.70-15,183.58

Finding the Fourth Proportional to 22,342.98, 30,812.70 and 15,183.58

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Solution

The fourth proportional to 22,342.98, 30,812.70 and 15,183.58 is: 20,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,342.98 : 30,812.70 = 15,183.58 : x
  2. Step 2: Convert to fraction form
    22,342.98/30,812.70 = 15,183.58/x
  3. Step 3: Cross multiply
    22,342.98x = 30,812.70 × 15,183.58
  4. Step 4: Simplify right side
    22,342.98x = 467,847,095.47
  5. Step 5: Solve for x
    x = 467,847,095.47/22,342.98
  6. Step 6: Final answer
    x = 20,939.33

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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.