Home / 13,255.27-18,292.29-7,286.98

Finding the Fourth Proportional to 13,255.27, 18,292.29 and 7,286.98

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Solution

The fourth proportional to 13,255.27, 18,292.29 and 7,286.98 is: 10,056.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.27 : 18,292.29 = 7,286.98 : x
  2. Step 2: Convert to fraction form
    13,255.27/18,292.29 = 7,286.98/x
  3. Step 3: Cross multiply
    13,255.27x = 18,292.29 × 7,286.98
  4. Step 4: Simplify right side
    13,255.27x = 133,295,551.38
  5. Step 5: Solve for x
    x = 133,295,551.38/13,255.27
  6. Step 6: Final answer
    x = 10,056.04

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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.