Home / 14,098.35-19,455.72-8,129.94

Finding the Fourth Proportional to 14,098.35, 19,455.72 and 8,129.94

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Solution

The fourth proportional to 14,098.35, 19,455.72 and 8,129.94 is: 11,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.35 : 19,455.72 = 8,129.94 : x
  2. Step 2: Convert to fraction form
    14,098.35/19,455.72 = 8,129.94/x
  3. Step 3: Cross multiply
    14,098.35x = 19,455.72 × 8,129.94
  4. Step 4: Simplify right side
    14,098.35x = 158,173,698.33
  5. Step 5: Solve for x
    x = 158,173,698.33/14,098.35
  6. Step 6: Final answer
    x = 11,219.31

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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.