Home / 22,207.58-30,649.84-12,775.54

Finding the Fourth Proportional to 22,207.58, 30,649.84 and 12,775.54

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Solution

The fourth proportional to 22,207.58, 30,649.84 and 12,775.54 is: 17,632.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.58 : 30,649.84 = 12,775.54 : x
  2. Step 2: Convert to fraction form
    22,207.58/30,649.84 = 12,775.54/x
  3. Step 3: Cross multiply
    22,207.58x = 30,649.84 × 12,775.54
  4. Step 4: Simplify right side
    22,207.58x = 391,568,256.91
  5. Step 5: Solve for x
    x = 391,568,256.91/22,207.58
  6. Step 6: Final answer
    x = 17,632.19

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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.