Home / 17,981.75-24,839.03-16,305.05

Finding the Fourth Proportional to 17,981.75, 24,839.03 and 16,305.05

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Solution

The fourth proportional to 17,981.75, 24,839.03 and 16,305.05 is: 22,522.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.75 : 24,839.03 = 16,305.05 : x
  2. Step 2: Convert to fraction form
    17,981.75/24,839.03 = 16,305.05/x
  3. Step 3: Cross multiply
    17,981.75x = 24,839.03 × 16,305.05
  4. Step 4: Simplify right side
    17,981.75x = 405,001,728.96
  5. Step 5: Solve for x
    x = 405,001,728.96/17,981.75
  6. Step 6: Final answer
    x = 22,522.93

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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.