Home / 13,879.27-19,153.41-7,591.66

Finding the Fourth Proportional to 13,879.27, 19,153.41 and 7,591.66

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Solution

The fourth proportional to 13,879.27, 19,153.41 and 7,591.66 is: 10,476.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879.27 : 19,153.41 = 7,591.66 : x
  2. Step 2: Convert to fraction form
    13,879.27/19,153.41 = 7,591.66/x
  3. Step 3: Cross multiply
    13,879.27x = 19,153.41 × 7,591.66
  4. Step 4: Simplify right side
    13,879.27x = 145,406,176.56
  5. Step 5: Solve for x
    x = 145,406,176.56/13,879.27
  6. Step 6: Final answer
    x = 10,476.50

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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.