Home / 14,067.34-19,412.76-7,779.58

Finding the Fourth Proportional to 14,067.34, 19,412.76 and 7,779.58

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Solution

The fourth proportional to 14,067.34, 19,412.76 and 7,779.58 is: 10,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.34 : 19,412.76 = 7,779.58 : x
  2. Step 2: Convert to fraction form
    14,067.34/19,412.76 = 7,779.58/x
  3. Step 3: Cross multiply
    14,067.34x = 19,412.76 × 7,779.58
  4. Step 4: Simplify right side
    14,067.34x = 151,023,119.44
  5. Step 5: Solve for x
    x = 151,023,119.44/14,067.34
  6. Step 6: Final answer
    x = 10,735.73

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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.