Home / 17,431.93-26,133.32-8,078.65

Finding the Fourth Proportional to 17,431.93, 26,133.32 and 8,078.65

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Solution

The fourth proportional to 17,431.93, 26,133.32 and 8,078.65 is: 12,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,431.93 : 26,133.32 = 8,078.65 : x
  2. Step 2: Convert to fraction form
    17,431.93/26,133.32 = 8,078.65/x
  3. Step 3: Cross multiply
    17,431.93x = 26,133.32 × 8,078.65
  4. Step 4: Simplify right side
    17,431.93x = 211,121,945.62
  5. Step 5: Solve for x
    x = 211,121,945.62/17,431.93
  6. Step 6: Final answer
    x = 12,111.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.