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Finding the Fourth Proportional to 19,101.88, 26,360.88 and 11,546.86

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Solution

The fourth proportional to 19,101.88, 26,360.88 and 11,546.86 is: 15,934.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101.88 : 26,360.88 = 11,546.86 : x
  2. Step 2: Convert to fraction form
    19,101.88/26,360.88 = 11,546.86/x
  3. Step 3: Cross multiply
    19,101.88x = 26,360.88 × 11,546.86
  4. Step 4: Simplify right side
    19,101.88x = 304,385,390.84
  5. Step 5: Solve for x
    x = 304,385,390.84/19,101.88
  6. Step 6: Final answer
    x = 15,934.84

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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.