Home / 13,229.48-19,851.95-4,915.26

Finding the Fourth Proportional to 13,229.48, 19,851.95 and 4,915.26

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Solution

The fourth proportional to 13,229.48, 19,851.95 and 4,915.26 is: 7,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229.48 : 19,851.95 = 4,915.26 : x
  2. Step 2: Convert to fraction form
    13,229.48/19,851.95 = 4,915.26/x
  3. Step 3: Cross multiply
    13,229.48x = 19,851.95 × 4,915.26
  4. Step 4: Simplify right side
    13,229.48x = 97,577,508.05
  5. Step 5: Solve for x
    x = 97,577,508.05/13,229.48
  6. Step 6: Final answer
    x = 7,375.76

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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.