Home / 19,650.95-27,114.10-11,691.62

Finding the Fourth Proportional to 19,650.95, 27,114.10 and 11,691.62

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Solution

The fourth proportional to 19,650.95, 27,114.10 and 11,691.62 is: 16,131.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.95 : 27,114.10 = 11,691.62 : x
  2. Step 2: Convert to fraction form
    19,650.95/27,114.10 = 11,691.62/x
  3. Step 3: Cross multiply
    19,650.95x = 27,114.10 × 11,691.62
  4. Step 4: Simplify right side
    19,650.95x = 317,007,753.84
  5. Step 5: Solve for x
    x = 317,007,753.84/19,650.95
  6. Step 6: Final answer
    x = 16,131.93

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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.