Home / 13,051.82-19,575.48-4,286.90

Finding the Fourth Proportional to 13,051.82, 19,575.48 and 4,286.90

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Solution

The fourth proportional to 13,051.82, 19,575.48 and 4,286.90 is: 6,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.82 : 19,575.48 = 4,286.90 : x
  2. Step 2: Convert to fraction form
    13,051.82/19,575.48 = 4,286.90/x
  3. Step 3: Cross multiply
    13,051.82x = 19,575.48 × 4,286.90
  4. Step 4: Simplify right side
    13,051.82x = 83,918,125.21
  5. Step 5: Solve for x
    x = 83,918,125.21/13,051.82
  6. Step 6: Final answer
    x = 6,429.61

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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.