Home / 13,835.67-19,093.13-7,867.34

Finding the Fourth Proportional to 13,835.67, 19,093.13 and 7,867.34

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Solution

The fourth proportional to 13,835.67, 19,093.13 and 7,867.34 is: 10,856.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.67 : 19,093.13 = 7,867.34 : x
  2. Step 2: Convert to fraction form
    13,835.67/19,093.13 = 7,867.34/x
  3. Step 3: Cross multiply
    13,835.67x = 19,093.13 × 7,867.34
  4. Step 4: Simplify right side
    13,835.67x = 150,212,155.93
  5. Step 5: Solve for x
    x = 150,212,155.93/13,835.67
  6. Step 6: Final answer
    x = 10,856.88

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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.