Home / 13,738.97-20,596.29-6,715.05

Finding the Fourth Proportional to 13,738.97, 20,596.29 and 6,715.05

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Solution

The fourth proportional to 13,738.97, 20,596.29 and 6,715.05 is: 10,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.97 : 20,596.29 = 6,715.05 : x
  2. Step 2: Convert to fraction form
    13,738.97/20,596.29 = 6,715.05/x
  3. Step 3: Cross multiply
    13,738.97x = 20,596.29 × 6,715.05
  4. Step 4: Simplify right side
    13,738.97x = 138,305,117.16
  5. Step 5: Solve for x
    x = 138,305,117.16/13,738.97
  6. Step 6: Final answer
    x = 10,066.63

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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.