Home / 19,257.45-29,028.17-17,658.05

Finding the Fourth Proportional to 19,257.45, 29,028.17 and 17,658.05

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Solution

The fourth proportional to 19,257.45, 29,028.17 and 17,658.05 is: 26,617.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,257.45 : 29,028.17 = 17,658.05 : x
  2. Step 2: Convert to fraction form
    19,257.45/29,028.17 = 17,658.05/x
  3. Step 3: Cross multiply
    19,257.45x = 29,028.17 × 17,658.05
  4. Step 4: Simplify right side
    19,257.45x = 512,580,939.56
  5. Step 5: Solve for x
    x = 512,580,939.56/19,257.45
  6. Step 6: Final answer
    x = 26,617.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.