Home / 19,677.94-27,154.23-11,181.85

Finding the Fourth Proportional to 19,677.94, 27,154.23 and 11,181.85

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Solution

The fourth proportional to 19,677.94, 27,154.23 and 11,181.85 is: 15,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.94 : 27,154.23 = 11,181.85 : x
  2. Step 2: Convert to fraction form
    19,677.94/27,154.23 = 11,181.85/x
  3. Step 3: Cross multiply
    19,677.94x = 27,154.23 × 11,181.85
  4. Step 4: Simplify right side
    19,677.94x = 303,634,526.73
  5. Step 5: Solve for x
    x = 303,634,526.73/19,677.94
  6. Step 6: Final answer
    x = 15,430.20

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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.