Home / 22,350.36-30,857.92-13,861.50

Finding the Fourth Proportional to 22,350.36, 30,857.92 and 13,861.50

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Solution

The fourth proportional to 22,350.36, 30,857.92 and 13,861.50 is: 19,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,350.36 : 30,857.92 = 13,861.50 : x
  2. Step 2: Convert to fraction form
    22,350.36/30,857.92 = 13,861.50/x
  3. Step 3: Cross multiply
    22,350.36x = 30,857.92 × 13,861.50
  4. Step 4: Simplify right side
    22,350.36x = 427,737,058.08
  5. Step 5: Solve for x
    x = 427,737,058.08/22,350.36
  6. Step 6: Final answer
    x = 19,137.82

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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.