Home / 26,894.69-40,342.13-8,426.69

Finding the Fourth Proportional to 26,894.69, 40,342.13 and 8,426.69

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Solution

The fourth proportional to 26,894.69, 40,342.13 and 8,426.69 is: 12,640.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,894.69 : 40,342.13 = 8,426.69 : x
  2. Step 2: Convert to fraction form
    26,894.69/40,342.13 = 8,426.69/x
  3. Step 3: Cross multiply
    26,894.69x = 40,342.13 × 8,426.69
  4. Step 4: Simplify right side
    26,894.69x = 339,950,623.45
  5. Step 5: Solve for x
    x = 339,950,623.45/26,894.69
  6. Step 6: Final answer
    x = 12,640.06

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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.