Home / 17,166.39-25,702.77-12,993.75

Finding the Fourth Proportional to 17,166.39, 25,702.77 and 12,993.75

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Solution

The fourth proportional to 17,166.39, 25,702.77 and 12,993.75 is: 19,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,166.39 : 25,702.77 = 12,993.75 : x
  2. Step 2: Convert to fraction form
    17,166.39/25,702.77 = 12,993.75/x
  3. Step 3: Cross multiply
    17,166.39x = 25,702.77 × 12,993.75
  4. Step 4: Simplify right side
    17,166.39x = 333,975,367.69
  5. Step 5: Solve for x
    x = 333,975,367.69/17,166.39
  6. Step 6: Final answer
    x = 19,455.19

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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.