Home / 19,020.78-26,255.88-17,027.76

Finding the Fourth Proportional to 19,020.78, 26,255.88 and 17,027.76

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Solution

The fourth proportional to 19,020.78, 26,255.88 and 17,027.76 is: 23,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.78 : 26,255.88 = 17,027.76 : x
  2. Step 2: Convert to fraction form
    19,020.78/26,255.88 = 17,027.76/x
  3. Step 3: Cross multiply
    19,020.78x = 26,255.88 × 17,027.76
  4. Step 4: Simplify right side
    19,020.78x = 447,078,823.23
  5. Step 5: Solve for x
    x = 447,078,823.23/19,020.78
  6. Step 6: Final answer
    x = 23,504.76

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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.