Home / 16,190.40-22,345.91-9,116.84

Finding the Fourth Proportional to 16,190.40, 22,345.91 and 9,116.84

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Solution

The fourth proportional to 16,190.40, 22,345.91 and 9,116.84 is: 12,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,190.40 : 22,345.91 = 9,116.84 : x
  2. Step 2: Convert to fraction form
    16,190.40/22,345.91 = 9,116.84/x
  3. Step 3: Cross multiply
    16,190.40x = 22,345.91 × 9,116.84
  4. Step 4: Simplify right side
    16,190.40x = 203,724,086.12
  5. Step 5: Solve for x
    x = 203,724,086.12/16,190.40
  6. Step 6: Final answer
    x = 12,583.02

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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.