Home / 20,152.36-27,808.03-11,653.19

Finding the Fourth Proportional to 20,152.36, 27,808.03 and 11,653.19

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Solution

The fourth proportional to 20,152.36, 27,808.03 and 11,653.19 is: 16,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.36 : 27,808.03 = 11,653.19 : x
  2. Step 2: Convert to fraction form
    20,152.36/27,808.03 = 11,653.19/x
  3. Step 3: Cross multiply
    20,152.36x = 27,808.03 × 11,653.19
  4. Step 4: Simplify right side
    20,152.36x = 324,052,236.92
  5. Step 5: Solve for x
    x = 324,052,236.92/20,152.36
  6. Step 6: Final answer
    x = 16,080.11

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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.