Home / 27,429.87-41,122.13-12,626.31

Finding the Fourth Proportional to 27,429.87, 41,122.13 and 12,626.31

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Solution

The fourth proportional to 27,429.87, 41,122.13 and 12,626.31 is: 18,929.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,429.87 : 41,122.13 = 12,626.31 : x
  2. Step 2: Convert to fraction form
    27,429.87/41,122.13 = 12,626.31/x
  3. Step 3: Cross multiply
    27,429.87x = 41,122.13 × 12,626.31
  4. Step 4: Simplify right side
    27,429.87x = 519,220,698.11
  5. Step 5: Solve for x
    x = 519,220,698.11/27,429.87
  6. Step 6: Final answer
    x = 18,929.03

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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.