Home / 17,857.44-26,782.68-13,133.52

Finding the Fourth Proportional to 17,857.44, 26,782.68 and 13,133.52

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Solution

The fourth proportional to 17,857.44, 26,782.68 and 13,133.52 is: 19,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,857.44 : 26,782.68 = 13,133.52 : x
  2. Step 2: Convert to fraction form
    17,857.44/26,782.68 = 13,133.52/x
  3. Step 3: Cross multiply
    17,857.44x = 26,782.68 × 13,133.52
  4. Step 4: Simplify right side
    17,857.44x = 351,750,863.43
  5. Step 5: Solve for x
    x = 351,750,863.43/17,857.44
  6. Step 6: Final answer
    x = 19,697.72

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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.