Home / 19,028.30-26,257.28-12,883.51

Finding the Fourth Proportional to 19,028.30, 26,257.28 and 12,883.51

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Solution

The fourth proportional to 19,028.30, 26,257.28 and 12,883.51 is: 17,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.30 : 26,257.28 = 12,883.51 : x
  2. Step 2: Convert to fraction form
    19,028.30/26,257.28 = 12,883.51/x
  3. Step 3: Cross multiply
    19,028.30x = 26,257.28 × 12,883.51
  4. Step 4: Simplify right side
    19,028.30x = 338,285,929.45
  5. Step 5: Solve for x
    x = 338,285,929.45/19,028.30
  6. Step 6: Final answer
    x = 17,778.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.