Home / 19,128.88-26,400.33-10,745.38

Finding the Fourth Proportional to 19,128.88, 26,400.33 and 10,745.38

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Solution

The fourth proportional to 19,128.88, 26,400.33 and 10,745.38 is: 14,830.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128.88 : 26,400.33 = 10,745.38 : x
  2. Step 2: Convert to fraction form
    19,128.88/26,400.33 = 10,745.38/x
  3. Step 3: Cross multiply
    19,128.88x = 26,400.33 × 10,745.38
  4. Step 4: Simplify right side
    19,128.88x = 283,681,577.98
  5. Step 5: Solve for x
    x = 283,681,577.98/19,128.88
  6. Step 6: Final answer
    x = 14,830.02

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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.