Home / 22,052.42-30,431.82-11,980.64

Finding the Fourth Proportional to 22,052.42, 30,431.82 and 11,980.64

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Solution

The fourth proportional to 22,052.42, 30,431.82 and 11,980.64 is: 16,533.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,052.42 : 30,431.82 = 11,980.64 : x
  2. Step 2: Convert to fraction form
    22,052.42/30,431.82 = 11,980.64/x
  3. Step 3: Cross multiply
    22,052.42x = 30,431.82 × 11,980.64
  4. Step 4: Simplify right side
    22,052.42x = 364,592,679.96
  5. Step 5: Solve for x
    x = 364,592,679.96/22,052.42
  6. Step 6: Final answer
    x = 16,533.00

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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.