Home / 18,336.94-25,305.35-11,167.16

Finding the Fourth Proportional to 18,336.94, 25,305.35 and 11,167.16

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Solution

The fourth proportional to 18,336.94, 25,305.35 and 11,167.16 is: 15,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.94 : 25,305.35 = 11,167.16 : x
  2. Step 2: Convert to fraction form
    18,336.94/25,305.35 = 11,167.16/x
  3. Step 3: Cross multiply
    18,336.94x = 25,305.35 × 11,167.16
  4. Step 4: Simplify right side
    18,336.94x = 282,588,709.94
  5. Step 5: Solve for x
    x = 282,588,709.94/18,336.94
  6. Step 6: Final answer
    x = 15,410.90

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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.