Home / 16,190.54-22,355.61-12,663.80

Finding the Fourth Proportional to 16,190.54, 22,355.61 and 12,663.80

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Solution

The fourth proportional to 16,190.54, 22,355.61 and 12,663.80 is: 17,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,190.54 : 22,355.61 = 12,663.80 : x
  2. Step 2: Convert to fraction form
    16,190.54/22,355.61 = 12,663.80/x
  3. Step 3: Cross multiply
    16,190.54x = 22,355.61 × 12,663.80
  4. Step 4: Simplify right side
    16,190.54x = 283,106,862.14
  5. Step 5: Solve for x
    x = 283,106,862.14/16,190.54
  6. Step 6: Final answer
    x = 17,485.95

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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.