Home / 38,207.82-57,321.63-14,515.80

Finding the Fourth Proportional to 38,207.82, 57,321.63 and 14,515.80

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Solution

The fourth proportional to 38,207.82, 57,321.63 and 14,515.80 is: 21,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,207.82 : 57,321.63 = 14,515.80 : x
  2. Step 2: Convert to fraction form
    38,207.82/57,321.63 = 14,515.80/x
  3. Step 3: Cross multiply
    38,207.82x = 57,321.63 × 14,515.80
  4. Step 4: Simplify right side
    38,207.82x = 832,069,316.75
  5. Step 5: Solve for x
    x = 832,069,316.75/38,207.82
  6. Step 6: Final answer
    x = 21,777.46

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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.