Home / 13,268.92-18,310.98-7,300.60

Finding the Fourth Proportional to 13,268.92, 18,310.98 and 7,300.60

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Solution

The fourth proportional to 13,268.92, 18,310.98 and 7,300.60 is: 10,074.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.92 : 18,310.98 = 7,300.60 : x
  2. Step 2: Convert to fraction form
    13,268.92/18,310.98 = 7,300.60/x
  3. Step 3: Cross multiply
    13,268.92x = 18,310.98 × 7,300.60
  4. Step 4: Simplify right side
    13,268.92x = 133,681,140.59
  5. Step 5: Solve for x
    x = 133,681,140.59/13,268.92
  6. Step 6: Final answer
    x = 10,074.76

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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.