Home / 18,344.52-25,311.24-10,385.64

Finding the Fourth Proportional to 18,344.52, 25,311.24 and 10,385.64

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Solution

The fourth proportional to 18,344.52, 25,311.24 and 10,385.64 is: 14,329.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.52 : 25,311.24 = 10,385.64 : x
  2. Step 2: Convert to fraction form
    18,344.52/25,311.24 = 10,385.64/x
  3. Step 3: Cross multiply
    18,344.52x = 25,311.24 × 10,385.64
  4. Step 4: Simplify right side
    18,344.52x = 262,873,426.59
  5. Step 5: Solve for x
    x = 262,873,426.59/18,344.52
  6. Step 6: Final answer
    x = 14,329.81

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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.