Home / 14,067.48-19,415.16-8,099.40

Finding the Fourth Proportional to 14,067.48, 19,415.16 and 8,099.40

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Solution

The fourth proportional to 14,067.48, 19,415.16 and 8,099.40 is: 11,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.48 : 19,415.16 = 8,099.40 : x
  2. Step 2: Convert to fraction form
    14,067.48/19,415.16 = 8,099.40/x
  3. Step 3: Cross multiply
    14,067.48x = 19,415.16 × 8,099.40
  4. Step 4: Simplify right side
    14,067.48x = 157,251,146.90
  5. Step 5: Solve for x
    x = 157,251,146.90/14,067.48
  6. Step 6: Final answer
    x = 11,178.35

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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.