Home / 27,664.70-41,499.39-11,870.42

Finding the Fourth Proportional to 27,664.70, 41,499.39 and 11,870.42

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Solution

The fourth proportional to 27,664.70, 41,499.39 and 11,870.42 is: 17,806.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,664.70 : 41,499.39 = 11,870.42 : x
  2. Step 2: Convert to fraction form
    27,664.70/41,499.39 = 11,870.42/x
  3. Step 3: Cross multiply
    27,664.70x = 41,499.39 × 11,870.42
  4. Step 4: Simplify right side
    27,664.70x = 492,615,189.04
  5. Step 5: Solve for x
    x = 492,615,189.04/27,664.70
  6. Step 6: Final answer
    x = 17,806.63

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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.