Home / 13,879.01-19,153.19-7,591.25

Finding the Fourth Proportional to 13,879.01, 19,153.19 and 7,591.25

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Solution

The fourth proportional to 13,879.01, 19,153.19 and 7,591.25 is: 10,476.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879.01 : 19,153.19 = 7,591.25 : x
  2. Step 2: Convert to fraction form
    13,879.01/19,153.19 = 7,591.25/x
  3. Step 3: Cross multiply
    13,879.01x = 19,153.19 × 7,591.25
  4. Step 4: Simplify right side
    13,879.01x = 145,396,653.59
  5. Step 5: Solve for x
    x = 145,396,653.59/13,879.01
  6. Step 6: Final answer
    x = 10,476.01

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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.