Home / 19,586.78-27,028.81-10,634.18

Finding the Fourth Proportional to 19,586.78, 27,028.81 and 10,634.18

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Solution

The fourth proportional to 19,586.78, 27,028.81 and 10,634.18 is: 14,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586.78 : 27,028.81 = 10,634.18 : x
  2. Step 2: Convert to fraction form
    19,586.78/27,028.81 = 10,634.18/x
  3. Step 3: Cross multiply
    19,586.78x = 27,028.81 × 10,634.18
  4. Step 4: Simplify right side
    19,586.78x = 287,429,230.73
  5. Step 5: Solve for x
    x = 287,429,230.73/19,586.78
  6. Step 6: Final answer
    x = 14,674.65

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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.