Home / 21,984.05-32,973.64-6,401.68

Finding the Fourth Proportional to 21,984.05, 32,973.64 and 6,401.68

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Solution

The fourth proportional to 21,984.05, 32,973.64 and 6,401.68 is: 9,601.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984.05 : 32,973.64 = 6,401.68 : x
  2. Step 2: Convert to fraction form
    21,984.05/32,973.64 = 6,401.68/x
  3. Step 3: Cross multiply
    21,984.05x = 32,973.64 × 6,401.68
  4. Step 4: Simplify right side
    21,984.05x = 211,086,691.72
  5. Step 5: Solve for x
    x = 211,086,691.72/21,984.05
  6. Step 6: Final answer
    x = 9,601.81

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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.