Home / 13,747.33-20,622.31-3,886.93

Finding the Fourth Proportional to 13,747.33, 20,622.31 and 3,886.93

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Solution

The fourth proportional to 13,747.33, 20,622.31 and 3,886.93 is: 5,830.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.33 : 20,622.31 = 3,886.93 : x
  2. Step 2: Convert to fraction form
    13,747.33/20,622.31 = 3,886.93/x
  3. Step 3: Cross multiply
    13,747.33x = 20,622.31 × 3,886.93
  4. Step 4: Simplify right side
    13,747.33x = 80,157,428.71
  5. Step 5: Solve for x
    x = 80,157,428.71/13,747.33
  6. Step 6: Final answer
    x = 5,830.76

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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.