Home / 13,443.06-20,170.14-5,942.68

Finding the Fourth Proportional to 13,443.06, 20,170.14 and 5,942.68

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Solution

The fourth proportional to 13,443.06, 20,170.14 and 5,942.68 is: 8,916.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443.06 : 20,170.14 = 5,942.68 : x
  2. Step 2: Convert to fraction form
    13,443.06/20,170.14 = 5,942.68/x
  3. Step 3: Cross multiply
    13,443.06x = 20,170.14 × 5,942.68
  4. Step 4: Simplify right side
    13,443.06x = 119,864,659.94
  5. Step 5: Solve for x
    x = 119,864,659.94/13,443.06
  6. Step 6: Final answer
    x = 8,916.47

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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.