Home / 26,541.84-39,755.34-12,480.80

Finding the Fourth Proportional to 26,541.84, 39,755.34 and 12,480.80

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Solution

The fourth proportional to 26,541.84, 39,755.34 and 12,480.80 is: 18,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,541.84 : 39,755.34 = 12,480.80 : x
  2. Step 2: Convert to fraction form
    26,541.84/39,755.34 = 12,480.80/x
  3. Step 3: Cross multiply
    26,541.84x = 39,755.34 × 12,480.80
  4. Step 4: Simplify right side
    26,541.84x = 496,178,444.58
  5. Step 5: Solve for x
    x = 496,178,444.58/26,541.84
  6. Step 6: Final answer
    x = 18,694.20

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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.