Home / 18,188.88-25,094.79-11,016.51

Finding the Fourth Proportional to 18,188.88, 25,094.79 and 11,016.51

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Solution

The fourth proportional to 18,188.88, 25,094.79 and 11,016.51 is: 15,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.88 : 25,094.79 = 11,016.51 : x
  2. Step 2: Convert to fraction form
    18,188.88/25,094.79 = 11,016.51/x
  3. Step 3: Cross multiply
    18,188.88x = 25,094.79 × 11,016.51
  4. Step 4: Simplify right side
    18,188.88x = 276,457,004.98
  5. Step 5: Solve for x
    x = 276,457,004.98/18,188.88
  6. Step 6: Final answer
    x = 15,199.23

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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.