Home / 14,067.09-19,412.31-7,693.51

Finding the Fourth Proportional to 14,067.09, 19,412.31 and 7,693.51

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Solution

The fourth proportional to 14,067.09, 19,412.31 and 7,693.51 is: 10,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.09 : 19,412.31 = 7,693.51 : x
  2. Step 2: Convert to fraction form
    14,067.09/19,412.31 = 7,693.51/x
  3. Step 3: Cross multiply
    14,067.09x = 19,412.31 × 7,693.51
  4. Step 4: Simplify right side
    14,067.09x = 149,348,801.11
  5. Step 5: Solve for x
    x = 149,348,801.11/14,067.09
  6. Step 6: Final answer
    x = 10,616.89

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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.