Home / 14,089.37-19,440.55-8,039.48

Finding the Fourth Proportional to 14,089.37, 19,440.55 and 8,039.48

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Solution

The fourth proportional to 14,089.37, 19,440.55 and 8,039.48 is: 11,092.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.37 : 19,440.55 = 8,039.48 : x
  2. Step 2: Convert to fraction form
    14,089.37/19,440.55 = 8,039.48/x
  3. Step 3: Cross multiply
    14,089.37x = 19,440.55 × 8,039.48
  4. Step 4: Simplify right side
    14,089.37x = 156,291,872.72
  5. Step 5: Solve for x
    x = 156,291,872.72/14,089.37
  6. Step 6: Final answer
    x = 11,092.89

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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.