Home / 17,772.17-26,649.35-5,921.78

Finding the Fourth Proportional to 17,772.17, 26,649.35 and 5,921.78

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Solution

The fourth proportional to 17,772.17, 26,649.35 and 5,921.78 is: 8,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,772.17 : 26,649.35 = 5,921.78 : x
  2. Step 2: Convert to fraction form
    17,772.17/26,649.35 = 5,921.78/x
  3. Step 3: Cross multiply
    17,772.17x = 26,649.35 × 5,921.78
  4. Step 4: Simplify right side
    17,772.17x = 157,811,558.23
  5. Step 5: Solve for x
    x = 157,811,558.23/17,772.17
  6. Step 6: Final answer
    x = 8,879.70

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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.