Home / 13,876.14-19,144.47-7,825.62

Finding the Fourth Proportional to 13,876.14, 19,144.47 and 7,825.62

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Solution

The fourth proportional to 13,876.14, 19,144.47 and 7,825.62 is: 10,796.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.14 : 19,144.47 = 7,825.62 : x
  2. Step 2: Convert to fraction form
    13,876.14/19,144.47 = 7,825.62/x
  3. Step 3: Cross multiply
    13,876.14x = 19,144.47 × 7,825.62
  4. Step 4: Simplify right side
    13,876.14x = 149,817,347.32
  5. Step 5: Solve for x
    x = 149,817,347.32/13,876.14
  6. Step 6: Final answer
    x = 10,796.76

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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.