Home / 13,255.16-18,292.14-7,286.93

Finding the Fourth Proportional to 13,255.16, 18,292.14 and 7,286.93

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Solution

The fourth proportional to 13,255.16, 18,292.14 and 7,286.93 is: 10,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.16 : 18,292.14 = 7,286.93 : x
  2. Step 2: Convert to fraction form
    13,255.16/18,292.14 = 7,286.93/x
  3. Step 3: Cross multiply
    13,255.16x = 18,292.14 × 7,286.93
  4. Step 4: Simplify right side
    13,255.16x = 133,293,507.30
  5. Step 5: Solve for x
    x = 133,293,507.30/13,255.16
  6. Step 6: Final answer
    x = 10,055.97

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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.