Home / 13,632.16-20,450.40-4,396

Finding the Fourth Proportional to 13,632.16, 20,450.40 and 4,396

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Solution

The fourth proportional to 13,632.16, 20,450.40 and 4,396 is: 6,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.16 : 20,450.40 = 4,396 : x
  2. Step 2: Convert to fraction form
    13,632.16/20,450.40 = 4,396/x
  3. Step 3: Cross multiply
    13,632.16x = 20,450.40 × 4,396
  4. Step 4: Simplify right side
    13,632.16x = 89,899,958.40
  5. Step 5: Solve for x
    x = 89,899,958.40/13,632.16
  6. Step 6: Final answer
    x = 6,594.70

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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.