Home / 13,076.35-18,055.55-8,042.91

Finding the Fourth Proportional to 13,076.35, 18,055.55 and 8,042.91

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Solution

The fourth proportional to 13,076.35, 18,055.55 and 8,042.91 is: 11,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.35 : 18,055.55 = 8,042.91 : x
  2. Step 2: Convert to fraction form
    13,076.35/18,055.55 = 8,042.91/x
  3. Step 3: Cross multiply
    13,076.35x = 18,055.55 × 8,042.91
  4. Step 4: Simplify right side
    13,076.35x = 145,219,123.44
  5. Step 5: Solve for x
    x = 145,219,123.44/13,076.35
  6. Step 6: Final answer
    x = 11,105.48

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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.