Home / 45,618.19-68,438.22-14,453.44

Finding the Fourth Proportional to 45,618.19, 68,438.22 and 14,453.44

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Solution

The fourth proportional to 45,618.19, 68,438.22 and 14,453.44 is: 21,683.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,618.19 : 68,438.22 = 14,453.44 : x
  2. Step 2: Convert to fraction form
    45,618.19/68,438.22 = 14,453.44/x
  3. Step 3: Cross multiply
    45,618.19x = 68,438.22 × 14,453.44
  4. Step 4: Simplify right side
    45,618.19x = 989,167,481.18
  5. Step 5: Solve for x
    x = 989,167,481.18/45,618.19
  6. Step 6: Final answer
    x = 21,683.62

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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.