Home / 19,509.68-26,923.92-11,126

Finding the Fourth Proportional to 19,509.68, 26,923.92 and 11,126

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Solution

The fourth proportional to 19,509.68, 26,923.92 and 11,126 is: 15,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.68 : 26,923.92 = 11,126 : x
  2. Step 2: Convert to fraction form
    19,509.68/26,923.92 = 11,126/x
  3. Step 3: Cross multiply
    19,509.68x = 26,923.92 × 11,126
  4. Step 4: Simplify right side
    19,509.68x = 299,555,533.92
  5. Step 5: Solve for x
    x = 299,555,533.92/19,509.68
  6. Step 6: Final answer
    x = 15,354.20

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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.