Home / 20,649.35-30,973.89-5,858.27

Finding the Fourth Proportional to 20,649.35, 30,973.89 and 5,858.27

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Solution

The fourth proportional to 20,649.35, 30,973.89 and 5,858.27 is: 8,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,649.35 : 30,973.89 = 5,858.27 : x
  2. Step 2: Convert to fraction form
    20,649.35/30,973.89 = 5,858.27/x
  3. Step 3: Cross multiply
    20,649.35x = 30,973.89 × 5,858.27
  4. Step 4: Simplify right side
    20,649.35x = 181,453,255.70
  5. Step 5: Solve for x
    x = 181,453,255.70/20,649.35
  6. Step 6: Final answer
    x = 8,787.36

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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.