Home / 13,280.10-19,915.56-5,889.73

Finding the Fourth Proportional to 13,280.10, 19,915.56 and 5,889.73

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Solution

The fourth proportional to 13,280.10, 19,915.56 and 5,889.73 is: 8,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.10 : 19,915.56 = 5,889.73 : x
  2. Step 2: Convert to fraction form
    13,280.10/19,915.56 = 5,889.73/x
  3. Step 3: Cross multiply
    13,280.10x = 19,915.56 × 5,889.73
  4. Step 4: Simplify right side
    13,280.10x = 117,297,221.41
  5. Step 5: Solve for x
    x = 117,297,221.41/13,280.10
  6. Step 6: Final answer
    x = 8,832.56

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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.