Home / 20,535.35-30,802.82-6,495.39

Finding the Fourth Proportional to 20,535.35, 30,802.82 and 6,495.39

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Solution

The fourth proportional to 20,535.35, 30,802.82 and 6,495.39 is: 9,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535.35 : 30,802.82 = 6,495.39 : x
  2. Step 2: Convert to fraction form
    20,535.35/30,802.82 = 6,495.39/x
  3. Step 3: Cross multiply
    20,535.35x = 30,802.82 × 6,495.39
  4. Step 4: Simplify right side
    20,535.35x = 200,076,174.99
  5. Step 5: Solve for x
    x = 200,076,174.99/20,535.35
  6. Step 6: Final answer
    x = 9,743.01

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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.