Home / 22,035.75-30,409.34-12,099.75

Finding the Fourth Proportional to 22,035.75, 30,409.34 and 12,099.75

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Solution

The fourth proportional to 22,035.75, 30,409.34 and 12,099.75 is: 16,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,035.75 : 30,409.34 = 12,099.75 : x
  2. Step 2: Convert to fraction form
    22,035.75/30,409.34 = 12,099.75/x
  3. Step 3: Cross multiply
    22,035.75x = 30,409.34 × 12,099.75
  4. Step 4: Simplify right side
    22,035.75x = 367,945,351.17
  5. Step 5: Solve for x
    x = 367,945,351.17/22,035.75
  6. Step 6: Final answer
    x = 16,697.66

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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.