Home / 18,438.36-27,660.29-5,956.07

Finding the Fourth Proportional to 18,438.36, 27,660.29 and 5,956.07

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Solution

The fourth proportional to 18,438.36, 27,660.29 and 5,956.07 is: 8,934.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438.36 : 27,660.29 = 5,956.07 : x
  2. Step 2: Convert to fraction form
    18,438.36/27,660.29 = 5,956.07/x
  3. Step 3: Cross multiply
    18,438.36x = 27,660.29 × 5,956.07
  4. Step 4: Simplify right side
    18,438.36x = 164,746,455.38
  5. Step 5: Solve for x
    x = 164,746,455.38/18,438.36
  6. Step 6: Final answer
    x = 8,934.98

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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.