Home / 20,893.26-28,832.53-11,333.12

Finding the Fourth Proportional to 20,893.26, 28,832.53 and 11,333.12

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Solution

The fourth proportional to 20,893.26, 28,832.53 and 11,333.12 is: 15,639.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893.26 : 28,832.53 = 11,333.12 : x
  2. Step 2: Convert to fraction form
    20,893.26/28,832.53 = 11,333.12/x
  3. Step 3: Cross multiply
    20,893.26x = 28,832.53 × 11,333.12
  4. Step 4: Simplify right side
    20,893.26x = 326,762,598.49
  5. Step 5: Solve for x
    x = 326,762,598.49/20,893.26
  6. Step 6: Final answer
    x = 15,639.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.