Home / 26,126.39-39,184.34-12,793.64

Finding the Fourth Proportional to 26,126.39, 39,184.34 and 12,793.64

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Solution

The fourth proportional to 26,126.39, 39,184.34 and 12,793.64 is: 19,187.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,126.39 : 39,184.34 = 12,793.64 : x
  2. Step 2: Convert to fraction form
    26,126.39/39,184.34 = 12,793.64/x
  3. Step 3: Cross multiply
    26,126.39x = 39,184.34 × 12,793.64
  4. Step 4: Simplify right side
    26,126.39x = 501,310,339.60
  5. Step 5: Solve for x
    x = 501,310,339.60/26,126.39
  6. Step 6: Final answer
    x = 19,187.89

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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.