Home / 16,126.68-22,267.26-12,997.56

Finding the Fourth Proportional to 16,126.68, 22,267.26 and 12,997.56

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Solution

The fourth proportional to 16,126.68, 22,267.26 and 12,997.56 is: 17,946.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,126.68 : 22,267.26 = 12,997.56 : x
  2. Step 2: Convert to fraction form
    16,126.68/22,267.26 = 12,997.56/x
  3. Step 3: Cross multiply
    16,126.68x = 22,267.26 × 12,997.56
  4. Step 4: Simplify right side
    16,126.68x = 289,420,047.89
  5. Step 5: Solve for x
    x = 289,420,047.89/16,126.68
  6. Step 6: Final answer
    x = 17,946.66

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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.