Home / 13,310.94-20,045.87-11,600.22

Finding the Fourth Proportional to 13,310.94, 20,045.87 and 11,600.22

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Solution

The fourth proportional to 13,310.94, 20,045.87 and 11,600.22 is: 17,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.94 : 20,045.87 = 11,600.22 : x
  2. Step 2: Convert to fraction form
    13,310.94/20,045.87 = 11,600.22/x
  3. Step 3: Cross multiply
    13,310.94x = 20,045.87 × 11,600.22
  4. Step 4: Simplify right side
    13,310.94x = 232,536,444.09
  5. Step 5: Solve for x
    x = 232,536,444.09/13,310.94
  6. Step 6: Final answer
    x = 17,469.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.