Home / 18,577.77-27,873.81-11,187.33

Finding the Fourth Proportional to 18,577.77, 27,873.81 and 11,187.33

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Solution

The fourth proportional to 18,577.77, 27,873.81 and 11,187.33 is: 16,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.77 : 27,873.81 = 11,187.33 : x
  2. Step 2: Convert to fraction form
    18,577.77/27,873.81 = 11,187.33/x
  3. Step 3: Cross multiply
    18,577.77x = 27,873.81 × 11,187.33
  4. Step 4: Simplify right side
    18,577.77x = 311,833,510.83
  5. Step 5: Solve for x
    x = 311,833,510.83/18,577.77
  6. Step 6: Final answer
    x = 16,785.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.