Home / 38,156.01-57,234.66-13,196.70

Finding the Fourth Proportional to 38,156.01, 57,234.66 and 13,196.70

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Solution

The fourth proportional to 38,156.01, 57,234.66 and 13,196.70 is: 19,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,156.01 : 57,234.66 = 13,196.70 : x
  2. Step 2: Convert to fraction form
    38,156.01/57,234.66 = 13,196.70/x
  3. Step 3: Cross multiply
    38,156.01x = 57,234.66 × 13,196.70
  4. Step 4: Simplify right side
    38,156.01x = 755,308,637.62
  5. Step 5: Solve for x
    x = 755,308,637.62/38,156.01
  6. Step 6: Final answer
    x = 19,795.27

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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.