Home / 13,632.96-20,449.36-3,772.14

Finding the Fourth Proportional to 13,632.96, 20,449.36 and 3,772.14

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Solution

The fourth proportional to 13,632.96, 20,449.36 and 3,772.14 is: 5,658.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.96 : 20,449.36 = 3,772.14 : x
  2. Step 2: Convert to fraction form
    13,632.96/20,449.36 = 3,772.14/x
  3. Step 3: Cross multiply
    13,632.96x = 20,449.36 × 3,772.14
  4. Step 4: Simplify right side
    13,632.96x = 77,137,848.83
  5. Step 5: Solve for x
    x = 77,137,848.83/13,632.96
  6. Step 6: Final answer
    x = 5,658.19

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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.