Home / 13,765.08-19,000.28-8,099.52

Finding the Fourth Proportional to 13,765.08, 19,000.28 and 8,099.52

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Solution

The fourth proportional to 13,765.08, 19,000.28 and 8,099.52 is: 11,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765.08 : 19,000.28 = 8,099.52 : x
  2. Step 2: Convert to fraction form
    13,765.08/19,000.28 = 8,099.52/x
  3. Step 3: Cross multiply
    13,765.08x = 19,000.28 × 8,099.52
  4. Step 4: Simplify right side
    13,765.08x = 153,893,147.87
  5. Step 5: Solve for x
    x = 153,893,147.87/13,765.08
  6. Step 6: Final answer
    x = 11,179.97

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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.