Home / 22,190.60-30,623.19-12,119.06

Finding the Fourth Proportional to 22,190.60, 30,623.19 and 12,119.06

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Solution

The fourth proportional to 22,190.60, 30,623.19 and 12,119.06 is: 16,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190.60 : 30,623.19 = 12,119.06 : x
  2. Step 2: Convert to fraction form
    22,190.60/30,623.19 = 12,119.06/x
  3. Step 3: Cross multiply
    22,190.60x = 30,623.19 × 12,119.06
  4. Step 4: Simplify right side
    22,190.60x = 371,124,277.00
  5. Step 5: Solve for x
    x = 371,124,277.00/22,190.60
  6. Step 6: Final answer
    x = 16,724.39

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Double scale
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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.