Home / 17,155.24-23,658.40-13,176.52

Finding the Fourth Proportional to 17,155.24, 23,658.40 and 13,176.52

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Solution

The fourth proportional to 17,155.24, 23,658.40 and 13,176.52 is: 18,171.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,155.24 : 23,658.40 = 13,176.52 : x
  2. Step 2: Convert to fraction form
    17,155.24/23,658.40 = 13,176.52/x
  3. Step 3: Cross multiply
    17,155.24x = 23,658.40 × 13,176.52
  4. Step 4: Simplify right side
    17,155.24x = 311,735,380.77
  5. Step 5: Solve for x
    x = 311,735,380.77/17,155.24
  6. Step 6: Final answer
    x = 18,171.44

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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.