Home / 14,629.31-20,193.60-8,666.09

Finding the Fourth Proportional to 14,629.31, 20,193.60 and 8,666.09

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Solution

The fourth proportional to 14,629.31, 20,193.60 and 8,666.09 is: 11,962.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,629.31 : 20,193.60 = 8,666.09 : x
  2. Step 2: Convert to fraction form
    14,629.31/20,193.60 = 8,666.09/x
  3. Step 3: Cross multiply
    14,629.31x = 20,193.60 × 8,666.09
  4. Step 4: Simplify right side
    14,629.31x = 174,999,562.28
  5. Step 5: Solve for x
    x = 174,999,562.28/14,629.31
  6. Step 6: Final answer
    x = 11,962.26

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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.