Home / 22,199.32-30,621-16,882.48

Finding the Fourth Proportional to 22,199.32, 30,621 and 16,882.48

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Solution

The fourth proportional to 22,199.32, 30,621 and 16,882.48 is: 23,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,199.32 : 30,621 = 16,882.48 : x
  2. Step 2: Convert to fraction form
    22,199.32/30,621 = 16,882.48/x
  3. Step 3: Cross multiply
    22,199.32x = 30,621 × 16,882.48
  4. Step 4: Simplify right side
    22,199.32x = 516,958,420.08
  5. Step 5: Solve for x
    x = 516,958,420.08/22,199.32
  6. Step 6: Final answer
    x = 23,287.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.