Home / 22,421.99-33,638.66-6,839.75

Finding the Fourth Proportional to 22,421.99, 33,638.66 and 6,839.75

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Solution

The fourth proportional to 22,421.99, 33,638.66 and 6,839.75 is: 10,261.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.99 : 33,638.66 = 6,839.75 : x
  2. Step 2: Convert to fraction form
    22,421.99/33,638.66 = 6,839.75/x
  3. Step 3: Cross multiply
    22,421.99x = 33,638.66 × 6,839.75
  4. Step 4: Simplify right side
    22,421.99x = 230,080,024.74
  5. Step 5: Solve for x
    x = 230,080,024.74/22,421.99
  6. Step 6: Final answer
    x = 10,261.36

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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.