Home / 22,331.71-30,817.63-12,260.32

Finding the Fourth Proportional to 22,331.71, 30,817.63 and 12,260.32

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Solution

The fourth proportional to 22,331.71, 30,817.63 and 12,260.32 is: 16,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,331.71 : 30,817.63 = 12,260.32 : x
  2. Step 2: Convert to fraction form
    22,331.71/30,817.63 = 12,260.32/x
  3. Step 3: Cross multiply
    22,331.71x = 30,817.63 × 12,260.32
  4. Step 4: Simplify right side
    22,331.71x = 377,834,005.44
  5. Step 5: Solve for x
    x = 377,834,005.44/22,331.71
  6. Step 6: Final answer
    x = 16,919.17

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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.