Home / 25,590.15-35,321.94-16,638.57

Finding the Fourth Proportional to 25,590.15, 35,321.94 and 16,638.57

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Solution

The fourth proportional to 25,590.15, 35,321.94 and 16,638.57 is: 22,966.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,590.15 : 35,321.94 = 16,638.57 : x
  2. Step 2: Convert to fraction form
    25,590.15/35,321.94 = 16,638.57/x
  3. Step 3: Cross multiply
    25,590.15x = 35,321.94 × 16,638.57
  4. Step 4: Simplify right side
    25,590.15x = 587,706,571.23
  5. Step 5: Solve for x
    x = 587,706,571.23/25,590.15
  6. Step 6: Final answer
    x = 22,966.12

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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.