Home / 14,021.20-21,032.34-3,632.68

Finding the Fourth Proportional to 14,021.20, 21,032.34 and 3,632.68

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Solution

The fourth proportional to 14,021.20, 21,032.34 and 3,632.68 is: 5,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.20 : 21,032.34 = 3,632.68 : x
  2. Step 2: Convert to fraction form
    14,021.20/21,032.34 = 3,632.68/x
  3. Step 3: Cross multiply
    14,021.20x = 21,032.34 × 3,632.68
  4. Step 4: Simplify right side
    14,021.20x = 76,403,760.87
  5. Step 5: Solve for x
    x = 76,403,760.87/14,021.20
  6. Step 6: Final answer
    x = 5,449.16

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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.