Home / 18,600.05-25,660.64-11,883.93

Finding the Fourth Proportional to 18,600.05, 25,660.64 and 11,883.93

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Solution

The fourth proportional to 18,600.05, 25,660.64 and 11,883.93 is: 16,395.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.05 : 25,660.64 = 11,883.93 : x
  2. Step 2: Convert to fraction form
    18,600.05/25,660.64 = 11,883.93/x
  3. Step 3: Cross multiply
    18,600.05x = 25,660.64 × 11,883.93
  4. Step 4: Simplify right side
    18,600.05x = 304,949,190.10
  5. Step 5: Solve for x
    x = 304,949,190.10/18,600.05
  6. Step 6: Final answer
    x = 16,395.08

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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.