Home / 20,893.43-31,352.90-9,050.36

Finding the Fourth Proportional to 20,893.43, 31,352.90 and 9,050.36

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Solution

The fourth proportional to 20,893.43, 31,352.90 and 9,050.36 is: 13,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893.43 : 31,352.90 = 9,050.36 : x
  2. Step 2: Convert to fraction form
    20,893.43/31,352.90 = 9,050.36/x
  3. Step 3: Cross multiply
    20,893.43x = 31,352.90 × 9,050.36
  4. Step 4: Simplify right side
    20,893.43x = 283,754,830.03
  5. Step 5: Solve for x
    x = 283,754,830.03/20,893.43
  6. Step 6: Final answer
    x = 13,581.06

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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.