Home / 20,889.46-31,330.83-6,094.91

Finding the Fourth Proportional to 20,889.46, 31,330.83 and 6,094.91

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Solution

The fourth proportional to 20,889.46, 31,330.83 and 6,094.91 is: 9,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,889.46 : 31,330.83 = 6,094.91 : x
  2. Step 2: Convert to fraction form
    20,889.46/31,330.83 = 6,094.91/x
  3. Step 3: Cross multiply
    20,889.46x = 31,330.83 × 6,094.91
  4. Step 4: Simplify right side
    20,889.46x = 190,958,690.26
  5. Step 5: Solve for x
    x = 190,958,690.26/20,889.46
  6. Step 6: Final answer
    x = 9,141.39

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1.5x scale

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.