Home / 20,889.41-31,331.03-6,094.35

Finding the Fourth Proportional to 20,889.41, 31,331.03 and 6,094.35

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Solution

The fourth proportional to 20,889.41, 31,331.03 and 6,094.35 is: 9,140.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,889.41 : 31,331.03 = 6,094.35 : x
  2. Step 2: Convert to fraction form
    20,889.41/31,331.03 = 6,094.35/x
  3. Step 3: Cross multiply
    20,889.41x = 31,331.03 × 6,094.35
  4. Step 4: Simplify right side
    20,889.41x = 190,942,232.21
  5. Step 5: Solve for x
    x = 190,942,232.21/20,889.41
  6. Step 6: Final answer
    x = 9,140.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.