Home / 20,566.67-30,852.36-8,085.04

Finding the Fourth Proportional to 20,566.67, 30,852.36 and 8,085.04

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Solution

The fourth proportional to 20,566.67, 30,852.36 and 8,085.04 is: 12,128.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.67 : 30,852.36 = 8,085.04 : x
  2. Step 2: Convert to fraction form
    20,566.67/30,852.36 = 8,085.04/x
  3. Step 3: Cross multiply
    20,566.67x = 30,852.36 × 8,085.04
  4. Step 4: Simplify right side
    20,566.67x = 249,442,487.56
  5. Step 5: Solve for x
    x = 249,442,487.56/20,566.67
  6. Step 6: Final answer
    x = 12,128.48

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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.