Home / 19,766.08-27,276.78-10,813.56

Finding the Fourth Proportional to 19,766.08, 27,276.78 and 10,813.56

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Solution

The fourth proportional to 19,766.08, 27,276.78 and 10,813.56 is: 14,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.08 : 27,276.78 = 10,813.56 : x
  2. Step 2: Convert to fraction form
    19,766.08/27,276.78 = 10,813.56/x
  3. Step 3: Cross multiply
    19,766.08x = 27,276.78 × 10,813.56
  4. Step 4: Simplify right side
    19,766.08x = 294,959,097.14
  5. Step 5: Solve for x
    x = 294,959,097.14/19,766.08
  6. Step 6: Final answer
    x = 14,922.49

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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.