Home / 20,009.58-27,616.59-11,630.94

Finding the Fourth Proportional to 20,009.58, 27,616.59 and 11,630.94

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Solution

The fourth proportional to 20,009.58, 27,616.59 and 11,630.94 is: 16,052.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.58 : 27,616.59 = 11,630.94 : x
  2. Step 2: Convert to fraction form
    20,009.58/27,616.59 = 11,630.94/x
  3. Step 3: Cross multiply
    20,009.58x = 27,616.59 × 11,630.94
  4. Step 4: Simplify right side
    20,009.58x = 321,206,901.29
  5. Step 5: Solve for x
    x = 321,206,901.29/20,009.58
  6. Step 6: Final answer
    x = 16,052.66

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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.