Home / 19,986.32-27,589.22-12,035.36

Finding the Fourth Proportional to 19,986.32, 27,589.22 and 12,035.36

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Solution

The fourth proportional to 19,986.32, 27,589.22 and 12,035.36 is: 16,613.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.32 : 27,589.22 = 12,035.36 : x
  2. Step 2: Convert to fraction form
    19,986.32/27,589.22 = 12,035.36/x
  3. Step 3: Cross multiply
    19,986.32x = 27,589.22 × 12,035.36
  4. Step 4: Simplify right side
    19,986.32x = 332,046,194.82
  5. Step 5: Solve for x
    x = 332,046,194.82/19,986.32
  6. Step 6: Final answer
    x = 16,613.67

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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.