Home / 13,276.94-18,322.23-7,612.02

Finding the Fourth Proportional to 13,276.94, 18,322.23 and 7,612.02

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Solution

The fourth proportional to 13,276.94, 18,322.23 and 7,612.02 is: 10,504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.94 : 18,322.23 = 7,612.02 : x
  2. Step 2: Convert to fraction form
    13,276.94/18,322.23 = 7,612.02/x
  3. Step 3: Cross multiply
    13,276.94x = 18,322.23 × 7,612.02
  4. Step 4: Simplify right side
    13,276.94x = 139,469,181.20
  5. Step 5: Solve for x
    x = 139,469,181.20/13,276.94
  6. Step 6: Final answer
    x = 10,504.62

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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.