Home / 19,450.50-26,840.09-10,949.91

Finding the Fourth Proportional to 19,450.50, 26,840.09 and 10,949.91

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Solution

The fourth proportional to 19,450.50, 26,840.09 and 10,949.91 is: 15,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,450.50 : 26,840.09 = 10,949.91 : x
  2. Step 2: Convert to fraction form
    19,450.50/26,840.09 = 10,949.91/x
  3. Step 3: Cross multiply
    19,450.50x = 26,840.09 × 10,949.91
  4. Step 4: Simplify right side
    19,450.50x = 293,896,515.14
  5. Step 5: Solve for x
    x = 293,896,515.14/19,450.50
  6. Step 6: Final answer
    x = 15,109.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.