Home / 29,697.75-40,981.78-16,269.13

Finding the Fourth Proportional to 29,697.75, 40,981.78 and 16,269.13

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Solution

The fourth proportional to 29,697.75, 40,981.78 and 16,269.13 is: 22,450.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,697.75 : 40,981.78 = 16,269.13 : x
  2. Step 2: Convert to fraction form
    29,697.75/40,981.78 = 16,269.13/x
  3. Step 3: Cross multiply
    29,697.75x = 40,981.78 × 16,269.13
  4. Step 4: Simplify right side
    29,697.75x = 666,737,906.45
  5. Step 5: Solve for x
    x = 666,737,906.45/29,697.75
  6. Step 6: Final answer
    x = 22,450.79

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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.