Home / 20,003.09-27,592.38-12,933.68

Finding the Fourth Proportional to 20,003.09, 27,592.38 and 12,933.68

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Solution

The fourth proportional to 20,003.09, 27,592.38 and 12,933.68 is: 17,840.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.09 : 27,592.38 = 12,933.68 : x
  2. Step 2: Convert to fraction form
    20,003.09/27,592.38 = 12,933.68/x
  3. Step 3: Cross multiply
    20,003.09x = 27,592.38 × 12,933.68
  4. Step 4: Simplify right side
    20,003.09x = 356,870,875.40
  5. Step 5: Solve for x
    x = 356,870,875.40/20,003.09
  6. Step 6: Final answer
    x = 17,840.79

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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.