Home / 19,622.37-27,074.13-12,449.67

Finding the Fourth Proportional to 19,622.37, 27,074.13 and 12,449.67

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Solution

The fourth proportional to 19,622.37, 27,074.13 and 12,449.67 is: 17,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.37 : 27,074.13 = 12,449.67 : x
  2. Step 2: Convert to fraction form
    19,622.37/27,074.13 = 12,449.67/x
  3. Step 3: Cross multiply
    19,622.37x = 27,074.13 × 12,449.67
  4. Step 4: Simplify right side
    19,622.37x = 337,063,984.04
  5. Step 5: Solve for x
    x = 337,063,984.04/19,622.37
  6. Step 6: Final answer
    x = 17,177.54

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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.