Home / 20,732.06-28,608.18-11,656.46

Finding the Fourth Proportional to 20,732.06, 28,608.18 and 11,656.46

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Solution

The fourth proportional to 20,732.06, 28,608.18 and 11,656.46 is: 16,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.06 : 28,608.18 = 11,656.46 : x
  2. Step 2: Convert to fraction form
    20,732.06/28,608.18 = 11,656.46/x
  3. Step 3: Cross multiply
    20,732.06x = 28,608.18 × 11,656.46
  4. Step 4: Simplify right side
    20,732.06x = 333,470,105.84
  5. Step 5: Solve for x
    x = 333,470,105.84/20,732.06
  6. Step 6: Final answer
    x = 16,084.76

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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.