Home / 19,758.44-27,266.54-10,805.78

Finding the Fourth Proportional to 19,758.44, 27,266.54 and 10,805.78

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Solution

The fourth proportional to 19,758.44, 27,266.54 and 10,805.78 is: 14,911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.44 : 27,266.54 = 10,805.78 : x
  2. Step 2: Convert to fraction form
    19,758.44/27,266.54 = 10,805.78/x
  3. Step 3: Cross multiply
    19,758.44x = 27,266.54 × 10,805.78
  4. Step 4: Simplify right side
    19,758.44x = 294,636,232.60
  5. Step 5: Solve for x
    x = 294,636,232.60/19,758.44
  6. Step 6: Final answer
    x = 14,911.92

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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.