Home / 13,904.94-20,848.08-7,667.94

Finding the Fourth Proportional to 13,904.94, 20,848.08 and 7,667.94

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Solution

The fourth proportional to 13,904.94, 20,848.08 and 7,667.94 is: 11,496.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.94 : 20,848.08 = 7,667.94 : x
  2. Step 2: Convert to fraction form
    13,904.94/20,848.08 = 7,667.94/x
  3. Step 3: Cross multiply
    13,904.94x = 20,848.08 × 7,667.94
  4. Step 4: Simplify right side
    13,904.94x = 159,861,826.56
  5. Step 5: Solve for x
    x = 159,861,826.56/13,904.94
  6. Step 6: Final answer
    x = 11,496.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.