Home / 18,833.64-25,983.36-11,660.28

Finding the Fourth Proportional to 18,833.64, 25,983.36 and 11,660.28

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Solution

The fourth proportional to 18,833.64, 25,983.36 and 11,660.28 is: 16,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.64 : 25,983.36 = 11,660.28 : x
  2. Step 2: Convert to fraction form
    18,833.64/25,983.36 = 11,660.28/x
  3. Step 3: Cross multiply
    18,833.64x = 25,983.36 × 11,660.28
  4. Step 4: Simplify right side
    18,833.64x = 302,973,252.94
  5. Step 5: Solve for x
    x = 302,973,252.94/18,833.64
  6. Step 6: Final answer
    x = 16,086.81

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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.