Home / 19,128.08-26,396.22-10,629.98

Finding the Fourth Proportional to 19,128.08, 26,396.22 and 10,629.98

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Solution

The fourth proportional to 19,128.08, 26,396.22 and 10,629.98 is: 14,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128.08 : 26,396.22 = 10,629.98 : x
  2. Step 2: Convert to fraction form
    19,128.08/26,396.22 = 10,629.98/x
  3. Step 3: Cross multiply
    19,128.08x = 26,396.22 × 10,629.98
  4. Step 4: Simplify right side
    19,128.08x = 280,591,290.68
  5. Step 5: Solve for x
    x = 280,591,290.68/19,128.08
  6. Step 6: Final answer
    x = 14,669.08

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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.