Home / 27,048.75-40,553.64-12,250.05

Finding the Fourth Proportional to 27,048.75, 40,553.64 and 12,250.05

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Solution

The fourth proportional to 27,048.75, 40,553.64 and 12,250.05 is: 18,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,048.75 : 40,553.64 = 12,250.05 : x
  2. Step 2: Convert to fraction form
    27,048.75/40,553.64 = 12,250.05/x
  3. Step 3: Cross multiply
    27,048.75x = 40,553.64 × 12,250.05
  4. Step 4: Simplify right side
    27,048.75x = 496,784,117.68
  5. Step 5: Solve for x
    x = 496,784,117.68/27,048.75
  6. Step 6: Final answer
    x = 18,366.25

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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.