Home / 13,095.94-18,078.58-8,382.96

Finding the Fourth Proportional to 13,095.94, 18,078.58 and 8,382.96

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Solution

The fourth proportional to 13,095.94, 18,078.58 and 8,382.96 is: 11,572.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.94 : 18,078.58 = 8,382.96 : x
  2. Step 2: Convert to fraction form
    13,095.94/18,078.58 = 8,382.96/x
  3. Step 3: Cross multiply
    13,095.94x = 18,078.58 × 8,382.96
  4. Step 4: Simplify right side
    13,095.94x = 151,552,013.00
  5. Step 5: Solve for x
    x = 151,552,013.00/13,095.94
  6. Step 6: Final answer
    x = 11,572.44

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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.