Home / 26,358.45-39,550.65-12,319.44

Finding the Fourth Proportional to 26,358.45, 39,550.65 and 12,319.44

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Solution

The fourth proportional to 26,358.45, 39,550.65 and 12,319.44 is: 18,485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,358.45 : 39,550.65 = 12,319.44 : x
  2. Step 2: Convert to fraction form
    26,358.45/39,550.65 = 12,319.44/x
  3. Step 3: Cross multiply
    26,358.45x = 39,550.65 × 12,319.44
  4. Step 4: Simplify right side
    26,358.45x = 487,241,859.64
  5. Step 5: Solve for x
    x = 487,241,859.64/26,358.45
  6. Step 6: Final answer
    x = 18,485.22

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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.