Home / 22,735.04-31,374.41-13,176.78

Finding the Fourth Proportional to 22,735.04, 31,374.41 and 13,176.78

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Solution

The fourth proportional to 22,735.04, 31,374.41 and 13,176.78 is: 18,183.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,735.04 : 31,374.41 = 13,176.78 : x
  2. Step 2: Convert to fraction form
    22,735.04/31,374.41 = 13,176.78/x
  3. Step 3: Cross multiply
    22,735.04x = 31,374.41 × 13,176.78
  4. Step 4: Simplify right side
    22,735.04x = 413,413,514.66
  5. Step 5: Solve for x
    x = 413,413,514.66/22,735.04
  6. Step 6: Final answer
    x = 18,183.98

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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.