Home / 22,052.15-30,431.81-11,980.52

Finding the Fourth Proportional to 22,052.15, 30,431.81 and 11,980.52

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Solution

The fourth proportional to 22,052.15, 30,431.81 and 11,980.52 is: 16,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,052.15 : 30,431.81 = 11,980.52 : x
  2. Step 2: Convert to fraction form
    22,052.15/30,431.81 = 11,980.52/x
  3. Step 3: Cross multiply
    22,052.15x = 30,431.81 × 11,980.52
  4. Step 4: Simplify right side
    22,052.15x = 364,588,786.13
  5. Step 5: Solve for x
    x = 364,588,786.13/22,052.15
  6. Step 6: Final answer
    x = 16,533.03

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Double scale
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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.