Home / 19,705.95-27,194.94-11,748.92

Finding the Fourth Proportional to 19,705.95, 27,194.94 and 11,748.92

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Solution

The fourth proportional to 19,705.95, 27,194.94 and 11,748.92 is: 16,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,705.95 : 27,194.94 = 11,748.92 : x
  2. Step 2: Convert to fraction form
    19,705.95/27,194.94 = 11,748.92/x
  3. Step 3: Cross multiply
    19,705.95x = 27,194.94 × 11,748.92
  4. Step 4: Simplify right side
    19,705.95x = 319,511,038.49
  5. Step 5: Solve for x
    x = 319,511,038.49/19,705.95
  6. Step 6: Final answer
    x = 16,213.94

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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.