Home / 20,522.06-30,783.11-6,483.53

Finding the Fourth Proportional to 20,522.06, 30,783.11 and 6,483.53

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Solution

The fourth proportional to 20,522.06, 30,783.11 and 6,483.53 is: 9,725.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522.06 : 30,783.11 = 6,483.53 : x
  2. Step 2: Convert to fraction form
    20,522.06/30,783.11 = 6,483.53/x
  3. Step 3: Cross multiply
    20,522.06x = 30,783.11 × 6,483.53
  4. Step 4: Simplify right side
    20,522.06x = 199,583,030.85
  5. Step 5: Solve for x
    x = 199,583,030.85/20,522.06
  6. Step 6: Final answer
    x = 9,725.29

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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.