Home / 22,076.70-30,465.24-12,645.84

Finding the Fourth Proportional to 22,076.70, 30,465.24 and 12,645.84

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Solution

The fourth proportional to 22,076.70, 30,465.24 and 12,645.84 is: 17,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,076.70 : 30,465.24 = 12,645.84 : x
  2. Step 2: Convert to fraction form
    22,076.70/30,465.24 = 12,645.84/x
  3. Step 3: Cross multiply
    22,076.70x = 30,465.24 × 12,645.84
  4. Step 4: Simplify right side
    22,076.70x = 385,258,550.60
  5. Step 5: Solve for x
    x = 385,258,550.60/22,076.70
  6. Step 6: Final answer
    x = 17,450.91

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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.