Home / 13,915.73-20,876.21-5,596.38

Finding the Fourth Proportional to 13,915.73, 20,876.21 and 5,596.38

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Solution

The fourth proportional to 13,915.73, 20,876.21 and 5,596.38 is: 8,395.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.73 : 20,876.21 = 5,596.38 : x
  2. Step 2: Convert to fraction form
    13,915.73/20,876.21 = 5,596.38/x
  3. Step 3: Cross multiply
    13,915.73x = 20,876.21 × 5,596.38
  4. Step 4: Simplify right side
    13,915.73x = 116,831,204.12
  5. Step 5: Solve for x
    x = 116,831,204.12/13,915.73
  6. Step 6: Final answer
    x = 8,395.62

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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.