Home / 13,070.97-19,600.30-4,745.11

Finding the Fourth Proportional to 13,070.97, 19,600.30 and 4,745.11

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Solution

The fourth proportional to 13,070.97, 19,600.30 and 4,745.11 is: 7,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070.97 : 19,600.30 = 4,745.11 : x
  2. Step 2: Convert to fraction form
    13,070.97/19,600.30 = 4,745.11/x
  3. Step 3: Cross multiply
    13,070.97x = 19,600.30 × 4,745.11
  4. Step 4: Simplify right side
    13,070.97x = 93,005,531.43
  5. Step 5: Solve for x
    x = 93,005,531.43/13,070.97
  6. Step 6: Final answer
    x = 7,115.43

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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.