Home / 22,081.07-30,472.20-12,009.51

Finding the Fourth Proportional to 22,081.07, 30,472.20 and 12,009.51

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Solution

The fourth proportional to 22,081.07, 30,472.20 and 12,009.51 is: 16,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,081.07 : 30,472.20 = 12,009.51 : x
  2. Step 2: Convert to fraction form
    22,081.07/30,472.20 = 12,009.51/x
  3. Step 3: Cross multiply
    22,081.07x = 30,472.20 × 12,009.51
  4. Step 4: Simplify right side
    22,081.07x = 365,956,190.62
  5. Step 5: Solve for x
    x = 365,956,190.62/22,081.07
  6. Step 6: Final answer
    x = 16,573.30

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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.