Home / 22,135.36-30,546.44-12,064.20

Finding the Fourth Proportional to 22,135.36, 30,546.44 and 12,064.20

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Solution

The fourth proportional to 22,135.36, 30,546.44 and 12,064.20 is: 16,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,135.36 : 30,546.44 = 12,064.20 : x
  2. Step 2: Convert to fraction form
    22,135.36/30,546.44 = 12,064.20/x
  3. Step 3: Cross multiply
    22,135.36x = 30,546.44 × 12,064.20
  4. Step 4: Simplify right side
    22,135.36x = 368,518,361.45
  5. Step 5: Solve for x
    x = 368,518,361.45/22,135.36
  6. Step 6: Final answer
    x = 16,648.40

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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.