Home / 19,027.75-26,256.50-12,882.95

Finding the Fourth Proportional to 19,027.75, 26,256.50 and 12,882.95

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Solution

The fourth proportional to 19,027.75, 26,256.50 and 12,882.95 is: 17,777.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,027.75 : 26,256.50 = 12,882.95 : x
  2. Step 2: Convert to fraction form
    19,027.75/26,256.50 = 12,882.95/x
  3. Step 3: Cross multiply
    19,027.75x = 26,256.50 × 12,882.95
  4. Step 4: Simplify right side
    19,027.75x = 338,261,176.68
  5. Step 5: Solve for x
    x = 338,261,176.68/19,027.75
  6. Step 6: Final answer
    x = 17,777.26

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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.