Home / 27,450.90-41,179.23-11,870.10

Finding the Fourth Proportional to 27,450.90, 41,179.23 and 11,870.10

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Solution

The fourth proportional to 27,450.90, 41,179.23 and 11,870.10 is: 17,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,450.90 : 41,179.23 = 11,870.10 : x
  2. Step 2: Convert to fraction form
    27,450.90/41,179.23 = 11,870.10/x
  3. Step 3: Cross multiply
    27,450.90x = 41,179.23 × 11,870.10
  4. Step 4: Simplify right side
    27,450.90x = 488,801,578.02
  5. Step 5: Solve for x
    x = 488,801,578.02/27,450.90
  6. Step 6: Final answer
    x = 17,806.40

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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.