Home / 18,318.25-25,282.97-10,360.81

Finding the Fourth Proportional to 18,318.25, 25,282.97 and 10,360.81

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Solution

The fourth proportional to 18,318.25, 25,282.97 and 10,360.81 is: 14,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.25 : 25,282.97 = 10,360.81 : x
  2. Step 2: Convert to fraction form
    18,318.25/25,282.97 = 10,360.81/x
  3. Step 3: Cross multiply
    18,318.25x = 25,282.97 × 10,360.81
  4. Step 4: Simplify right side
    18,318.25x = 261,952,048.41
  5. Step 5: Solve for x
    x = 261,952,048.41/18,318.25
  6. Step 6: Final answer
    x = 14,300.06

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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.