Home / 14,661.72-20,237.76-10,126.73

Finding the Fourth Proportional to 14,661.72, 20,237.76 and 10,126.73

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Solution

The fourth proportional to 14,661.72, 20,237.76 and 10,126.73 is: 13,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.72 : 20,237.76 = 10,126.73 : x
  2. Step 2: Convert to fraction form
    14,661.72/20,237.76 = 10,126.73/x
  3. Step 3: Cross multiply
    14,661.72x = 20,237.76 × 10,126.73
  4. Step 4: Simplify right side
    14,661.72x = 204,942,230.14
  5. Step 5: Solve for x
    x = 204,942,230.14/14,661.72
  6. Step 6: Final answer
    x = 13,978.05

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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.