Home / 17,921.94-26,894.58-6,828.72

Finding the Fourth Proportional to 17,921.94, 26,894.58 and 6,828.72

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Solution

The fourth proportional to 17,921.94, 26,894.58 and 6,828.72 is: 10,247.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.94 : 26,894.58 = 6,828.72 : x
  2. Step 2: Convert to fraction form
    17,921.94/26,894.58 = 6,828.72/x
  3. Step 3: Cross multiply
    17,921.94x = 26,894.58 × 6,828.72
  4. Step 4: Simplify right side
    17,921.94x = 183,655,556.34
  5. Step 5: Solve for x
    x = 183,655,556.34/17,921.94
  6. Step 6: Final answer
    x = 10,247.53

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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.