Home / 14,067.14-19,412.13-7,779.62

Finding the Fourth Proportional to 14,067.14, 19,412.13 and 7,779.62

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Solution

The fourth proportional to 14,067.14, 19,412.13 and 7,779.62 is: 10,735.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.14 : 19,412.13 = 7,779.62 : x
  2. Step 2: Convert to fraction form
    14,067.14/19,412.13 = 7,779.62/x
  3. Step 3: Cross multiply
    14,067.14x = 19,412.13 × 7,779.62
  4. Step 4: Simplify right side
    14,067.14x = 151,018,994.79
  5. Step 5: Solve for x
    x = 151,018,994.79/14,067.14
  6. Step 6: Final answer
    x = 10,735.59

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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.