Home / 26,436.48-39,650.22-8,666.79

Finding the Fourth Proportional to 26,436.48, 39,650.22 and 8,666.79

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Solution

The fourth proportional to 26,436.48, 39,650.22 and 8,666.79 is: 12,998.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,436.48 : 39,650.22 = 8,666.79 : x
  2. Step 2: Convert to fraction form
    26,436.48/39,650.22 = 8,666.79/x
  3. Step 3: Cross multiply
    26,436.48x = 39,650.22 × 8,666.79
  4. Step 4: Simplify right side
    26,436.48x = 343,640,130.19
  5. Step 5: Solve for x
    x = 343,640,130.19/26,436.48
  6. Step 6: Final answer
    x = 12,998.71

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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.