Home / 22,485.20-33,724.62-14,139.77

Finding the Fourth Proportional to 22,485.20, 33,724.62 and 14,139.77

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Solution

The fourth proportional to 22,485.20, 33,724.62 and 14,139.77 is: 21,207.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,485.20 : 33,724.62 = 14,139.77 : x
  2. Step 2: Convert to fraction form
    22,485.20/33,724.62 = 14,139.77/x
  3. Step 3: Cross multiply
    22,485.20x = 33,724.62 × 14,139.77
  4. Step 4: Simplify right side
    22,485.20x = 476,858,201.51
  5. Step 5: Solve for x
    x = 476,858,201.51/22,485.20
  6. Step 6: Final answer
    x = 21,207.65

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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.