Home / 18,601.44-27,918.56-7,516.08

Finding the Fourth Proportional to 18,601.44, 27,918.56 and 7,516.08

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Solution

The fourth proportional to 18,601.44, 27,918.56 and 7,516.08 is: 11,280.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.44 : 27,918.56 = 7,516.08 : x
  2. Step 2: Convert to fraction form
    18,601.44/27,918.56 = 7,516.08/x
  3. Step 3: Cross multiply
    18,601.44x = 27,918.56 × 7,516.08
  4. Step 4: Simplify right side
    18,601.44x = 209,838,130.44
  5. Step 5: Solve for x
    x = 209,838,130.44/18,601.44
  6. Step 6: Final answer
    x = 11,280.75

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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.