Home / 38,416.22-57,650.28-13,456.46

Finding the Fourth Proportional to 38,416.22, 57,650.28 and 13,456.46

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Solution

The fourth proportional to 38,416.22, 57,650.28 and 13,456.46 is: 20,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,416.22 : 57,650.28 = 13,456.46 : x
  2. Step 2: Convert to fraction form
    38,416.22/57,650.28 = 13,456.46/x
  3. Step 3: Cross multiply
    38,416.22x = 57,650.28 × 13,456.46
  4. Step 4: Simplify right side
    38,416.22x = 775,768,686.81
  5. Step 5: Solve for x
    x = 775,768,686.81/38,416.22
  6. Step 6: Final answer
    x = 20,193.78

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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.