Home / 14,067.90-19,399.77-9,031.34

Finding the Fourth Proportional to 14,067.90, 19,399.77 and 9,031.34

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Solution

The fourth proportional to 14,067.90, 19,399.77 and 9,031.34 is: 12,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.90 : 19,399.77 = 9,031.34 : x
  2. Step 2: Convert to fraction form
    14,067.90/19,399.77 = 9,031.34/x
  3. Step 3: Cross multiply
    14,067.90x = 19,399.77 × 9,031.34
  4. Step 4: Simplify right side
    14,067.90x = 175,205,918.79
  5. Step 5: Solve for x
    x = 175,205,918.79/14,067.90
  6. Step 6: Final answer
    x = 12,454.31

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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.