Home / 20,584.84-28,406.96-11,632.48

Finding the Fourth Proportional to 20,584.84, 28,406.96 and 11,632.48

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Solution

The fourth proportional to 20,584.84, 28,406.96 and 11,632.48 is: 16,052.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.84 : 28,406.96 = 11,632.48 : x
  2. Step 2: Convert to fraction form
    20,584.84/28,406.96 = 11,632.48/x
  3. Step 3: Cross multiply
    20,584.84x = 28,406.96 × 11,632.48
  4. Step 4: Simplify right side
    20,584.84x = 330,443,394.06
  5. Step 5: Solve for x
    x = 330,443,394.06/20,584.84
  6. Step 6: Final answer
    x = 16,052.76

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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.