Home / 19,709.37-27,197.84-11,210.34

Finding the Fourth Proportional to 19,709.37, 27,197.84 and 11,210.34

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Solution

The fourth proportional to 19,709.37, 27,197.84 and 11,210.34 is: 15,469.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.37 : 27,197.84 = 11,210.34 : x
  2. Step 2: Convert to fraction form
    19,709.37/27,197.84 = 11,210.34/x
  3. Step 3: Cross multiply
    19,709.37x = 27,197.84 × 11,210.34
  4. Step 4: Simplify right side
    19,709.37x = 304,897,033.67
  5. Step 5: Solve for x
    x = 304,897,033.67/19,709.37
  6. Step 6: Final answer
    x = 15,469.65

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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.