Home / 13,954.94-19,257.81-7,667.31

Finding the Fourth Proportional to 13,954.94, 19,257.81 and 7,667.31

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Solution

The fourth proportional to 13,954.94, 19,257.81 and 7,667.31 is: 10,580.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.94 : 19,257.81 = 7,667.31 : x
  2. Step 2: Convert to fraction form
    13,954.94/19,257.81 = 7,667.31/x
  3. Step 3: Cross multiply
    13,954.94x = 19,257.81 × 7,667.31
  4. Step 4: Simplify right side
    13,954.94x = 147,655,599.19
  5. Step 5: Solve for x
    x = 147,655,599.19/13,954.94
  6. Step 6: Final answer
    x = 10,580.88

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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.