Home / 22,384.44-30,891.34-12,313.66

Finding the Fourth Proportional to 22,384.44, 30,891.34 and 12,313.66

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Solution

The fourth proportional to 22,384.44, 30,891.34 and 12,313.66 is: 16,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,384.44 : 30,891.34 = 12,313.66 : x
  2. Step 2: Convert to fraction form
    22,384.44/30,891.34 = 12,313.66/x
  3. Step 3: Cross multiply
    22,384.44x = 30,891.34 × 12,313.66
  4. Step 4: Simplify right side
    22,384.44x = 380,385,457.70
  5. Step 5: Solve for x
    x = 380,385,457.70/22,384.44
  6. Step 6: Final answer
    x = 16,993.30

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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.