Home / 22,421.80-33,632.16-6,839.56

Finding the Fourth Proportional to 22,421.80, 33,632.16 and 6,839.56

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Solution

The fourth proportional to 22,421.80, 33,632.16 and 6,839.56 is: 10,259.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.80 : 33,632.16 = 6,839.56 : x
  2. Step 2: Convert to fraction form
    22,421.80/33,632.16 = 6,839.56/x
  3. Step 3: Cross multiply
    22,421.80x = 33,632.16 × 6,839.56
  4. Step 4: Simplify right side
    22,421.80x = 230,029,176.25
  5. Step 5: Solve for x
    x = 230,029,176.25/22,421.80
  6. Step 6: Final answer
    x = 10,259.18

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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.