Home / 13,879.51-19,153.33-7,591.75

Finding the Fourth Proportional to 13,879.51, 19,153.33 and 7,591.75

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Solution

The fourth proportional to 13,879.51, 19,153.33 and 7,591.75 is: 10,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879.51 : 19,153.33 = 7,591.75 : x
  2. Step 2: Convert to fraction form
    13,879.51/19,153.33 = 7,591.75/x
  3. Step 3: Cross multiply
    13,879.51x = 19,153.33 × 7,591.75
  4. Step 4: Simplify right side
    13,879.51x = 145,407,293.03
  5. Step 5: Solve for x
    x = 145,407,293.03/13,879.51
  6. Step 6: Final answer
    x = 10,476.40

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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.