Home / 18,584.38-25,640.14-10,620.93

Finding the Fourth Proportional to 18,584.38, 25,640.14 and 10,620.93

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Solution

The fourth proportional to 18,584.38, 25,640.14 and 10,620.93 is: 14,653.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.38 : 25,640.14 = 10,620.93 : x
  2. Step 2: Convert to fraction form
    18,584.38/25,640.14 = 10,620.93/x
  3. Step 3: Cross multiply
    18,584.38x = 25,640.14 × 10,620.93
  4. Step 4: Simplify right side
    18,584.38x = 272,322,132.13
  5. Step 5: Solve for x
    x = 272,322,132.13/18,584.38
  6. Step 6: Final answer
    x = 14,653.28

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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.