Home / 19,696.60-29,520.26-9,838.63

Finding the Fourth Proportional to 19,696.60, 29,520.26 and 9,838.63

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Solution

The fourth proportional to 19,696.60, 29,520.26 and 9,838.63 is: 14,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,696.60 : 29,520.26 = 9,838.63 : x
  2. Step 2: Convert to fraction form
    19,696.60/29,520.26 = 9,838.63/x
  3. Step 3: Cross multiply
    19,696.60x = 29,520.26 × 9,838.63
  4. Step 4: Simplify right side
    19,696.60x = 290,438,915.64
  5. Step 5: Solve for x
    x = 290,438,915.64/19,696.60
  6. Step 6: Final answer
    x = 14,745.64

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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.