Home / 22,500.12-33,724.26-12,090

Finding the Fourth Proportional to 22,500.12, 33,724.26 and 12,090

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Solution

The fourth proportional to 22,500.12, 33,724.26 and 12,090 is: 18,121.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,500.12 : 33,724.26 = 12,090 : x
  2. Step 2: Convert to fraction form
    22,500.12/33,724.26 = 12,090/x
  3. Step 3: Cross multiply
    22,500.12x = 33,724.26 × 12,090
  4. Step 4: Simplify right side
    22,500.12x = 407,726,303.40
  5. Step 5: Solve for x
    x = 407,726,303.40/22,500.12
  6. Step 6: Final answer
    x = 18,121.07

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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.