Home / 34,179.68-47,166.84-18,656.70

Finding the Fourth Proportional to 34,179.68, 47,166.84 and 18,656.70

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Solution

The fourth proportional to 34,179.68, 47,166.84 and 18,656.70 is: 25,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,179.68 : 47,166.84 = 18,656.70 : x
  2. Step 2: Convert to fraction form
    34,179.68/47,166.84 = 18,656.70/x
  3. Step 3: Cross multiply
    34,179.68x = 47,166.84 × 18,656.70
  4. Step 4: Simplify right side
    34,179.68x = 879,977,583.83
  5. Step 5: Solve for x
    x = 879,977,583.83/34,179.68
  6. Step 6: Final answer
    x = 25,745.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.