Home / 26,007.90-38,997.45-8,468.70

Finding the Fourth Proportional to 26,007.90, 38,997.45 and 8,468.70

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Solution

The fourth proportional to 26,007.90, 38,997.45 and 8,468.70 is: 12,698.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,007.90 : 38,997.45 = 8,468.70 : x
  2. Step 2: Convert to fraction form
    26,007.90/38,997.45 = 8,468.70/x
  3. Step 3: Cross multiply
    26,007.90x = 38,997.45 × 8,468.70
  4. Step 4: Simplify right side
    26,007.90x = 330,257,704.82
  5. Step 5: Solve for x
    x = 330,257,704.82/26,007.90
  6. Step 6: Final answer
    x = 12,698.36

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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.