Home / 12,295.22-16,950.20-10,399.16

Finding the Fourth Proportional to 12,295.22, 16,950.20 and 10,399.16

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Solution

The fourth proportional to 12,295.22, 16,950.20 and 10,399.16 is: 14,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.22 : 16,950.20 = 10,399.16 : x
  2. Step 2: Convert to fraction form
    12,295.22/16,950.20 = 10,399.16/x
  3. Step 3: Cross multiply
    12,295.22x = 16,950.20 × 10,399.16
  4. Step 4: Simplify right side
    12,295.22x = 176,267,705.09
  5. Step 5: Solve for x
    x = 176,267,705.09/12,295.22
  6. Step 6: Final answer
    x = 14,336.28

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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.