Home / 20,543.02-30,814.53-6,692.02

Finding the Fourth Proportional to 20,543.02, 30,814.53 and 6,692.02

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Solution

The fourth proportional to 20,543.02, 30,814.53 and 6,692.02 is: 10,038.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,543.02 : 30,814.53 = 6,692.02 : x
  2. Step 2: Convert to fraction form
    20,543.02/30,814.53 = 6,692.02/x
  3. Step 3: Cross multiply
    20,543.02x = 30,814.53 × 6,692.02
  4. Step 4: Simplify right side
    20,543.02x = 206,211,451.05
  5. Step 5: Solve for x
    x = 206,211,451.05/20,543.02
  6. Step 6: Final answer
    x = 10,038.03

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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.