Home / 38,156.61-57,237.48-13,199.07

Finding the Fourth Proportional to 38,156.61, 57,237.48 and 13,199.07

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Solution

The fourth proportional to 38,156.61, 57,237.48 and 13,199.07 is: 19,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,156.61 : 57,237.48 = 13,199.07 : x
  2. Step 2: Convert to fraction form
    38,156.61/57,237.48 = 13,199.07/x
  3. Step 3: Cross multiply
    38,156.61x = 57,237.48 × 13,199.07
  4. Step 4: Simplify right side
    38,156.61x = 755,481,505.14
  5. Step 5: Solve for x
    x = 755,481,505.14/38,156.61
  6. Step 6: Final answer
    x = 19,799.49

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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.