Home / 13,181.76-18,192.48-7,594.56

Finding the Fourth Proportional to 13,181.76, 18,192.48 and 7,594.56

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Solution

The fourth proportional to 13,181.76, 18,192.48 and 7,594.56 is: 10,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.76 : 18,192.48 = 7,594.56 : x
  2. Step 2: Convert to fraction form
    13,181.76/18,192.48 = 7,594.56/x
  3. Step 3: Cross multiply
    13,181.76x = 18,192.48 × 7,594.56
  4. Step 4: Simplify right side
    13,181.76x = 138,163,880.91
  5. Step 5: Solve for x
    x = 138,163,880.91/13,181.76
  6. Step 6: Final answer
    x = 10,481.44

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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.