Home / 38,431.56-57,636.11-13,466.96

Finding the Fourth Proportional to 38,431.56, 57,636.11 and 13,466.96

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Solution

The fourth proportional to 38,431.56, 57,636.11 and 13,466.96 is: 20,196.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431.56 : 57,636.11 = 13,466.96 : x
  2. Step 2: Convert to fraction form
    38,431.56/57,636.11 = 13,466.96/x
  3. Step 3: Cross multiply
    38,431.56x = 57,636.11 × 13,466.96
  4. Step 4: Simplify right side
    38,431.56x = 776,183,073.80
  5. Step 5: Solve for x
    x = 776,183,073.80/38,431.56
  6. Step 6: Final answer
    x = 20,196.50

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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.