Home / 18,145.26-27,222.93-10,359.54

Finding the Fourth Proportional to 18,145.26, 27,222.93 and 10,359.54

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Solution

The fourth proportional to 18,145.26, 27,222.93 and 10,359.54 is: 15,542.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.26 : 27,222.93 = 10,359.54 : x
  2. Step 2: Convert to fraction form
    18,145.26/27,222.93 = 10,359.54/x
  3. Step 3: Cross multiply
    18,145.26x = 27,222.93 × 10,359.54
  4. Step 4: Simplify right side
    18,145.26x = 282,017,032.25
  5. Step 5: Solve for x
    x = 282,017,032.25/18,145.26
  6. Step 6: Final answer
    x = 15,542.19

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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.