Home / 19,109.93-26,371.19-10,611.83

Finding the Fourth Proportional to 19,109.93, 26,371.19 and 10,611.83

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Solution

The fourth proportional to 19,109.93, 26,371.19 and 10,611.83 is: 14,644.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.93 : 26,371.19 = 10,611.83 : x
  2. Step 2: Convert to fraction form
    19,109.93/26,371.19 = 10,611.83/x
  3. Step 3: Cross multiply
    19,109.93x = 26,371.19 × 10,611.83
  4. Step 4: Simplify right side
    19,109.93x = 279,846,400.26
  5. Step 5: Solve for x
    x = 279,846,400.26/19,109.93
  6. Step 6: Final answer
    x = 14,644.03

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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.