Home / 22,119.06-33,138.27-18,835.86

Finding the Fourth Proportional to 22,119.06, 33,138.27 and 18,835.86

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Solution

The fourth proportional to 22,119.06, 33,138.27 and 18,835.86 is: 28,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,119.06 : 33,138.27 = 18,835.86 : x
  2. Step 2: Convert to fraction form
    22,119.06/33,138.27 = 18,835.86/x
  3. Step 3: Cross multiply
    22,119.06x = 33,138.27 × 18,835.86
  4. Step 4: Simplify right side
    22,119.06x = 624,187,814.36
  5. Step 5: Solve for x
    x = 624,187,814.36/22,119.06
  6. Step 6: Final answer
    x = 28,219.45

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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.