Home / 13,731.71-20,597.57-3,343.46

Finding the Fourth Proportional to 13,731.71, 20,597.57 and 3,343.46

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Solution

The fourth proportional to 13,731.71, 20,597.57 and 3,343.46 is: 5,015.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.71 : 20,597.57 = 3,343.46 : x
  2. Step 2: Convert to fraction form
    13,731.71/20,597.57 = 3,343.46/x
  3. Step 3: Cross multiply
    13,731.71x = 20,597.57 × 3,343.46
  4. Step 4: Simplify right side
    13,731.71x = 68,867,151.39
  5. Step 5: Solve for x
    x = 68,867,151.39/13,731.71
  6. Step 6: Final answer
    x = 5,015.19

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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.