Home / 33,189.36-45,803.87-18,851.75

Finding the Fourth Proportional to 33,189.36, 45,803.87 and 18,851.75

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Solution

The fourth proportional to 33,189.36, 45,803.87 and 18,851.75 is: 26,016.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,189.36 : 45,803.87 = 18,851.75 : x
  2. Step 2: Convert to fraction form
    33,189.36/45,803.87 = 18,851.75/x
  3. Step 3: Cross multiply
    33,189.36x = 45,803.87 × 18,851.75
  4. Step 4: Simplify right side
    33,189.36x = 863,483,025.45
  5. Step 5: Solve for x
    x = 863,483,025.45/33,189.36
  6. Step 6: Final answer
    x = 26,016.87

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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.