Home / 18,367.11-25,345.94-9,983.43

Finding the Fourth Proportional to 18,367.11, 25,345.94 and 9,983.43

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Solution

The fourth proportional to 18,367.11, 25,345.94 and 9,983.43 is: 13,776.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.11 : 25,345.94 = 9,983.43 : x
  2. Step 2: Convert to fraction form
    18,367.11/25,345.94 = 9,983.43/x
  3. Step 3: Cross multiply
    18,367.11x = 25,345.94 × 9,983.43
  4. Step 4: Simplify right side
    18,367.11x = 253,039,367.86
  5. Step 5: Solve for x
    x = 253,039,367.86/18,367.11
  6. Step 6: Final answer
    x = 13,776.77

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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.