Home / 13,826.25-19,074.87-8,511.84

Finding the Fourth Proportional to 13,826.25, 19,074.87 and 8,511.84

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Solution

The fourth proportional to 13,826.25, 19,074.87 and 8,511.84 is: 11,743.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.25 : 19,074.87 = 8,511.84 : x
  2. Step 2: Convert to fraction form
    13,826.25/19,074.87 = 8,511.84/x
  3. Step 3: Cross multiply
    13,826.25x = 19,074.87 × 8,511.84
  4. Step 4: Simplify right side
    13,826.25x = 162,362,241.46
  5. Step 5: Solve for x
    x = 162,362,241.46/13,826.25
  6. Step 6: Final answer
    x = 11,743.04

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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.