Home / 13,879.44-19,153.59-7,591.81

Finding the Fourth Proportional to 13,879.44, 19,153.59 and 7,591.81

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Solution

The fourth proportional to 13,879.44, 19,153.59 and 7,591.81 is: 10,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879.44 : 19,153.59 = 7,591.81 : x
  2. Step 2: Convert to fraction form
    13,879.44/19,153.59 = 7,591.81/x
  3. Step 3: Cross multiply
    13,879.44x = 19,153.59 × 7,591.81
  4. Step 4: Simplify right side
    13,879.44x = 145,410,416.10
  5. Step 5: Solve for x
    x = 145,410,416.10/13,879.44
  6. Step 6: Final answer
    x = 10,476.68

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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.