Home / 18,419.33-27,632.95-5,940.07

Finding the Fourth Proportional to 18,419.33, 27,632.95 and 5,940.07

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Solution

The fourth proportional to 18,419.33, 27,632.95 and 5,940.07 is: 8,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,419.33 : 27,632.95 = 5,940.07 : x
  2. Step 2: Convert to fraction form
    18,419.33/27,632.95 = 5,940.07/x
  3. Step 3: Cross multiply
    18,419.33x = 27,632.95 × 5,940.07
  4. Step 4: Simplify right side
    18,419.33x = 164,141,573.37
  5. Step 5: Solve for x
    x = 164,141,573.37/18,419.33
  6. Step 6: Final answer
    x = 8,911.37

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1.5x scale

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.