Home / 16,195.13-22,349.34-9,121.67

Finding the Fourth Proportional to 16,195.13, 22,349.34 and 9,121.67

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Solution

The fourth proportional to 16,195.13, 22,349.34 and 9,121.67 is: 12,587.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,195.13 : 22,349.34 = 9,121.67 : x
  2. Step 2: Convert to fraction form
    16,195.13/22,349.34 = 9,121.67/x
  3. Step 3: Cross multiply
    16,195.13x = 22,349.34 × 9,121.67
  4. Step 4: Simplify right side
    16,195.13x = 203,863,192.45
  5. Step 5: Solve for x
    x = 203,863,192.45/16,195.13
  6. Step 6: Final answer
    x = 12,587.94

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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.