Home / 18,127.13-25,015.44-11,055.02

Finding the Fourth Proportional to 18,127.13, 25,015.44 and 11,055.02

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Solution

The fourth proportional to 18,127.13, 25,015.44 and 11,055.02 is: 15,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.13 : 25,015.44 = 11,055.02 : x
  2. Step 2: Convert to fraction form
    18,127.13/25,015.44 = 11,055.02/x
  3. Step 3: Cross multiply
    18,127.13x = 25,015.44 × 11,055.02
  4. Step 4: Simplify right side
    18,127.13x = 276,546,064.43
  5. Step 5: Solve for x
    x = 276,546,064.43/18,127.13
  6. Step 6: Final answer
    x = 15,255.93

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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.