Home / 13,228.88-19,856.28-6,308.24

Finding the Fourth Proportional to 13,228.88, 19,856.28 and 6,308.24

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Solution

The fourth proportional to 13,228.88, 19,856.28 and 6,308.24 is: 9,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.88 : 19,856.28 = 6,308.24 : x
  2. Step 2: Convert to fraction form
    13,228.88/19,856.28 = 6,308.24/x
  3. Step 3: Cross multiply
    13,228.88x = 19,856.28 × 6,308.24
  4. Step 4: Simplify right side
    13,228.88x = 125,258,179.75
  5. Step 5: Solve for x
    x = 125,258,179.75/13,228.88
  6. Step 6: Final answer
    x = 9,468.54

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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.