Home / 19,826.22-29,586.13-17,617.38

Finding the Fourth Proportional to 19,826.22, 29,586.13 and 17,617.38

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Solution

The fourth proportional to 19,826.22, 29,586.13 and 17,617.38 is: 26,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.22 : 29,586.13 = 17,617.38 : x
  2. Step 2: Convert to fraction form
    19,826.22/29,586.13 = 17,617.38/x
  3. Step 3: Cross multiply
    19,826.22x = 29,586.13 × 17,617.38
  4. Step 4: Simplify right side
    19,826.22x = 521,230,094.94
  5. Step 5: Solve for x
    x = 521,230,094.94/19,826.22
  6. Step 6: Final answer
    x = 26,289.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.