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Finding the Fourth Proportional to 19,513.88, 26,922.48 and 11,014.94

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Solution

The fourth proportional to 19,513.88, 26,922.48 and 11,014.94 is: 15,196.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.88 : 26,922.48 = 11,014.94 : x
  2. Step 2: Convert to fraction form
    19,513.88/26,922.48 = 11,014.94/x
  3. Step 3: Cross multiply
    19,513.88x = 26,922.48 × 11,014.94
  4. Step 4: Simplify right side
    19,513.88x = 296,549,501.85
  5. Step 5: Solve for x
    x = 296,549,501.85/19,513.88
  6. Step 6: Final answer
    x = 15,196.85

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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.