Home / 26,104.72-39,161.16-8,570.56

Finding the Fourth Proportional to 26,104.72, 39,161.16 and 8,570.56

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Solution

The fourth proportional to 26,104.72, 39,161.16 and 8,570.56 is: 12,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,104.72 : 39,161.16 = 8,570.56 : x
  2. Step 2: Convert to fraction form
    26,104.72/39,161.16 = 8,570.56/x
  3. Step 3: Cross multiply
    26,104.72x = 39,161.16 × 8,570.56
  4. Step 4: Simplify right side
    26,104.72x = 335,633,071.45
  5. Step 5: Solve for x
    x = 335,633,071.45/26,104.72
  6. Step 6: Final answer
    x = 12,857.18

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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.