Home / 19,400.76-26,745.93-16,404.57

Finding the Fourth Proportional to 19,400.76, 26,745.93 and 16,404.57

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Solution

The fourth proportional to 19,400.76, 26,745.93 and 16,404.57 is: 22,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.76 : 26,745.93 = 16,404.57 : x
  2. Step 2: Convert to fraction form
    19,400.76/26,745.93 = 16,404.57/x
  3. Step 3: Cross multiply
    19,400.76x = 26,745.93 × 16,404.57
  4. Step 4: Simplify right side
    19,400.76x = 438,755,480.90
  5. Step 5: Solve for x
    x = 438,755,480.90/19,400.76
  6. Step 6: Final answer
    x = 22,615.38

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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.