Home / 26,471.86-39,712.67-8,703.53

Finding the Fourth Proportional to 26,471.86, 39,712.67 and 8,703.53

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Solution

The fourth proportional to 26,471.86, 39,712.67 and 8,703.53 is: 13,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471.86 : 39,712.67 = 8,703.53 : x
  2. Step 2: Convert to fraction form
    26,471.86/39,712.67 = 8,703.53/x
  3. Step 3: Cross multiply
    26,471.86x = 39,712.67 × 8,703.53
  4. Step 4: Simplify right side
    26,471.86x = 345,640,188.96
  5. Step 5: Solve for x
    x = 345,640,188.96/26,471.86
  6. Step 6: Final answer
    x = 13,056.89

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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.