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Finding the Fourth Proportional to 16,126.49, 22,255.49 and 10,739.59

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Solution

The fourth proportional to 16,126.49, 22,255.49 and 10,739.59 is: 14,821.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,126.49 : 22,255.49 = 10,739.59 : x
  2. Step 2: Convert to fraction form
    16,126.49/22,255.49 = 10,739.59/x
  3. Step 3: Cross multiply
    16,126.49x = 22,255.49 × 10,739.59
  4. Step 4: Simplify right side
    16,126.49x = 239,014,809.06
  5. Step 5: Solve for x
    x = 239,014,809.06/16,126.49
  6. Step 6: Final answer
    x = 14,821.25

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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.