Home / 17,660.51-26,485.09-7,799.57

Finding the Fourth Proportional to 17,660.51, 26,485.09 and 7,799.57

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Solution

The fourth proportional to 17,660.51, 26,485.09 and 7,799.57 is: 11,696.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,660.51 : 26,485.09 = 7,799.57 : x
  2. Step 2: Convert to fraction form
    17,660.51/26,485.09 = 7,799.57/x
  3. Step 3: Cross multiply
    17,660.51x = 26,485.09 × 7,799.57
  4. Step 4: Simplify right side
    17,660.51x = 206,572,161.49
  5. Step 5: Solve for x
    x = 206,572,161.49/17,660.51
  6. Step 6: Final answer
    x = 11,696.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.