Home / 22,170.49-30,595.91-12,099.57

Finding the Fourth Proportional to 22,170.49, 30,595.91 and 12,099.57

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Solution

The fourth proportional to 22,170.49, 30,595.91 and 12,099.57 is: 16,697.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.49 : 30,595.91 = 12,099.57 : x
  2. Step 2: Convert to fraction form
    22,170.49/30,595.91 = 12,099.57/x
  3. Step 3: Cross multiply
    22,170.49x = 30,595.91 × 12,099.57
  4. Step 4: Simplify right side
    22,170.49x = 370,197,522.43
  5. Step 5: Solve for x
    x = 370,197,522.43/22,170.49
  6. Step 6: Final answer
    x = 16,697.76

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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.