Home / 13,318.26-18,373.58-8,844.42

Finding the Fourth Proportional to 13,318.26, 18,373.58 and 8,844.42

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Solution

The fourth proportional to 13,318.26, 18,373.58 and 8,844.42 is: 12,201.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.26 : 18,373.58 = 8,844.42 : x
  2. Step 2: Convert to fraction form
    13,318.26/18,373.58 = 8,844.42/x
  3. Step 3: Cross multiply
    13,318.26x = 18,373.58 × 8,844.42
  4. Step 4: Simplify right side
    13,318.26x = 162,503,658.42
  5. Step 5: Solve for x
    x = 162,503,658.42/13,318.26
  6. Step 6: Final answer
    x = 12,201.57

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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.