Home / 18,600.36-25,668.63-10,642.38

Finding the Fourth Proportional to 18,600.36, 25,668.63 and 10,642.38

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Solution

The fourth proportional to 18,600.36, 25,668.63 and 10,642.38 is: 14,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.36 : 25,668.63 = 10,642.38 : x
  2. Step 2: Convert to fraction form
    18,600.36/25,668.63 = 10,642.38/x
  3. Step 3: Cross multiply
    18,600.36x = 25,668.63 × 10,642.38
  4. Step 4: Simplify right side
    18,600.36x = 273,175,314.54
  5. Step 5: Solve for x
    x = 273,175,314.54/18,600.36
  6. Step 6: Final answer
    x = 14,686.56

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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.