Home / 19,709.20-29,674.89-17,383.69

Finding the Fourth Proportional to 19,709.20, 29,674.89 and 17,383.69

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Solution

The fourth proportional to 19,709.20, 29,674.89 and 17,383.69 is: 26,173.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.20 : 29,674.89 = 17,383.69 : x
  2. Step 2: Convert to fraction form
    19,709.20/29,674.89 = 17,383.69/x
  3. Step 3: Cross multiply
    19,709.20x = 29,674.89 × 17,383.69
  4. Step 4: Simplify right side
    19,709.20x = 515,859,088.54
  5. Step 5: Solve for x
    x = 515,859,088.54/19,709.20
  6. Step 6: Final answer
    x = 26,173.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.