Home / 18,313.62-25,273.34-10,355.68

Finding the Fourth Proportional to 18,313.62, 25,273.34 and 10,355.68

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Solution

The fourth proportional to 18,313.62, 25,273.34 and 10,355.68 is: 14,291.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.62 : 25,273.34 = 10,355.68 : x
  2. Step 2: Convert to fraction form
    18,313.62/25,273.34 = 10,355.68/x
  3. Step 3: Cross multiply
    18,313.62x = 25,273.34 × 10,355.68
  4. Step 4: Simplify right side
    18,313.62x = 261,722,621.57
  5. Step 5: Solve for x
    x = 261,722,621.57/18,313.62
  6. Step 6: Final answer
    x = 14,291.15

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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.