Home / 22,081.08-30,472.16-12,009.64

Finding the Fourth Proportional to 22,081.08, 30,472.16 and 12,009.64

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Solution

The fourth proportional to 22,081.08, 30,472.16 and 12,009.64 is: 16,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,081.08 : 30,472.16 = 12,009.64 : x
  2. Step 2: Convert to fraction form
    22,081.08/30,472.16 = 12,009.64/x
  3. Step 3: Cross multiply
    22,081.08x = 30,472.16 × 12,009.64
  4. Step 4: Simplify right side
    22,081.08x = 365,959,671.62
  5. Step 5: Solve for x
    x = 365,959,671.62/22,081.08
  6. Step 6: Final answer
    x = 16,573.45

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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.