Home / 33,018.24-45,565.20-18,114.24

Finding the Fourth Proportional to 33,018.24, 45,565.20 and 18,114.24

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Solution

The fourth proportional to 33,018.24, 45,565.20 and 18,114.24 is: 24,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,018.24 : 45,565.20 = 18,114.24 : x
  2. Step 2: Convert to fraction form
    33,018.24/45,565.20 = 18,114.24/x
  3. Step 3: Cross multiply
    33,018.24x = 45,565.20 × 18,114.24
  4. Step 4: Simplify right side
    33,018.24x = 825,378,968.45
  5. Step 5: Solve for x
    x = 825,378,968.45/33,018.24
  6. Step 6: Final answer
    x = 24,997.67

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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.