Home / 22,181.24-30,568.02-15,882.68

Finding the Fourth Proportional to 22,181.24, 30,568.02 and 15,882.68

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Solution

The fourth proportional to 22,181.24, 30,568.02 and 15,882.68 is: 21,887.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,181.24 : 30,568.02 = 15,882.68 : x
  2. Step 2: Convert to fraction form
    22,181.24/30,568.02 = 15,882.68/x
  3. Step 3: Cross multiply
    22,181.24x = 30,568.02 × 15,882.68
  4. Step 4: Simplify right side
    22,181.24x = 485,502,079.89
  5. Step 5: Solve for x
    x = 485,502,079.89/22,181.24
  6. Step 6: Final answer
    x = 21,887.96

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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.