Home / 19,012.00-28,378.75-16,767.51

Finding the Fourth Proportional to 19,012.00, 28,378.75 and 16,767.51

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Solution

The fourth proportional to 19,012.00, 28,378.75 and 16,767.51 is: 25,028.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.00 : 28,378.75 = 16,767.51 : x
  2. Step 2: Convert to fraction form
    19,012.00/28,378.75 = 16,767.51/x
  3. Step 3: Cross multiply
    19,012.00x = 28,378.75 × 16,767.51
  4. Step 4: Simplify right side
    19,012.00x = 475,841,049.80
  5. Step 5: Solve for x
    x = 475,841,049.80/19,012.00
  6. Step 6: Final answer
    x = 25,028.46

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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.