Home / 25,249.89-34,859.35-16,763.47

Finding the Fourth Proportional to 25,249.89, 34,859.35 and 16,763.47

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Solution

The fourth proportional to 25,249.89, 34,859.35 and 16,763.47 is: 23,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,249.89 : 34,859.35 = 16,763.47 : x
  2. Step 2: Convert to fraction form
    25,249.89/34,859.35 = 16,763.47/x
  3. Step 3: Cross multiply
    25,249.89x = 34,859.35 × 16,763.47
  4. Step 4: Simplify right side
    25,249.89x = 584,363,409.83
  5. Step 5: Solve for x
    x = 584,363,409.83/25,249.89
  6. Step 6: Final answer
    x = 23,143.21

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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.