Home / 18,240.93-27,373.70-7,146.23

Finding the Fourth Proportional to 18,240.93, 27,373.70 and 7,146.23

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Solution

The fourth proportional to 18,240.93, 27,373.70 and 7,146.23 is: 10,724.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.93 : 27,373.70 = 7,146.23 : x
  2. Step 2: Convert to fraction form
    18,240.93/27,373.70 = 7,146.23/x
  3. Step 3: Cross multiply
    18,240.93x = 27,373.70 × 7,146.23
  4. Step 4: Simplify right side
    18,240.93x = 195,618,583.55
  5. Step 5: Solve for x
    x = 195,618,583.55/18,240.93
  6. Step 6: Final answer
    x = 10,724.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.