Home / 17,786.40-26,518.26-17,324.76

Finding the Fourth Proportional to 17,786.40, 26,518.26 and 17,324.76

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Solution

The fourth proportional to 17,786.40, 26,518.26 and 17,324.76 is: 25,829.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,786.40 : 26,518.26 = 17,324.76 : x
  2. Step 2: Convert to fraction form
    17,786.40/26,518.26 = 17,324.76/x
  3. Step 3: Cross multiply
    17,786.40x = 26,518.26 × 17,324.76
  4. Step 4: Simplify right side
    17,786.40x = 459,422,490.12
  5. Step 5: Solve for x
    x = 459,422,490.12/17,786.40
  6. Step 6: Final answer
    x = 25,829.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.