Home / 14,548.99-20,080.22-8,580.31

Finding the Fourth Proportional to 14,548.99, 20,080.22 and 8,580.31

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Solution

The fourth proportional to 14,548.99, 20,080.22 and 8,580.31 is: 11,842.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.99 : 20,080.22 = 8,580.31 : x
  2. Step 2: Convert to fraction form
    14,548.99/20,080.22 = 8,580.31/x
  3. Step 3: Cross multiply
    14,548.99x = 20,080.22 × 8,580.31
  4. Step 4: Simplify right side
    14,548.99x = 172,294,451.54
  5. Step 5: Solve for x
    x = 172,294,451.54/14,548.99
  6. Step 6: Final answer
    x = 11,842.37

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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.