Home / 22,052.49-30,432.07-11,981.09

Finding the Fourth Proportional to 22,052.49, 30,432.07 and 11,981.09

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Solution

The fourth proportional to 22,052.49, 30,432.07 and 11,981.09 is: 16,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,052.49 : 30,432.07 = 11,981.09 : x
  2. Step 2: Convert to fraction form
    22,052.49/30,432.07 = 11,981.09/x
  3. Step 3: Cross multiply
    22,052.49x = 30,432.07 × 11,981.09
  4. Step 4: Simplify right side
    22,052.49x = 364,609,187.44
  5. Step 5: Solve for x
    x = 364,609,187.44/22,052.49
  6. Step 6: Final answer
    x = 16,533.70

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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.