Home / 22,166.96-30,588.28-12,230.32

Finding the Fourth Proportional to 22,166.96, 30,588.28 and 12,230.32

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Solution

The fourth proportional to 22,166.96, 30,588.28 and 12,230.32 is: 16,876.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,166.96 : 30,588.28 = 12,230.32 : x
  2. Step 2: Convert to fraction form
    22,166.96/30,588.28 = 12,230.32/x
  3. Step 3: Cross multiply
    22,166.96x = 30,588.28 × 12,230.32
  4. Step 4: Simplify right side
    22,166.96x = 374,104,452.65
  5. Step 5: Solve for x
    x = 374,104,452.65/22,166.96
  6. Step 6: Final answer
    x = 16,876.67

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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.