Home / 19,180.67-26,462.30-11,621.54

Finding the Fourth Proportional to 19,180.67, 26,462.30 and 11,621.54

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Solution

The fourth proportional to 19,180.67, 26,462.30 and 11,621.54 is: 16,033.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.67 : 26,462.30 = 11,621.54 : x
  2. Step 2: Convert to fraction form
    19,180.67/26,462.30 = 11,621.54/x
  3. Step 3: Cross multiply
    19,180.67x = 26,462.30 × 11,621.54
  4. Step 4: Simplify right side
    19,180.67x = 307,532,685.99
  5. Step 5: Solve for x
    x = 307,532,685.99/19,180.67
  6. Step 6: Final answer
    x = 16,033.47

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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.