Home / 19,690.77-27,176.04-11,733.15

Finding the Fourth Proportional to 19,690.77, 27,176.04 and 11,733.15

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Solution

The fourth proportional to 19,690.77, 27,176.04 and 11,733.15 is: 16,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.77 : 27,176.04 = 11,733.15 : x
  2. Step 2: Convert to fraction form
    19,690.77/27,176.04 = 11,733.15/x
  3. Step 3: Cross multiply
    19,690.77x = 27,176.04 × 11,733.15
  4. Step 4: Simplify right side
    19,690.77x = 318,860,553.73
  5. Step 5: Solve for x
    x = 318,860,553.73/19,690.77
  6. Step 6: Final answer
    x = 16,193.40

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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.