Home / 19,321.74-26,665-10,823.37

Finding the Fourth Proportional to 19,321.74, 26,665 and 10,823.37

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Solution

The fourth proportional to 19,321.74, 26,665 and 10,823.37 is: 14,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.74 : 26,665 = 10,823.37 : x
  2. Step 2: Convert to fraction form
    19,321.74/26,665 = 10,823.37/x
  3. Step 3: Cross multiply
    19,321.74x = 26,665 × 10,823.37
  4. Step 4: Simplify right side
    19,321.74x = 288,605,027.73
  5. Step 5: Solve for x
    x = 288,605,027.73/19,321.74
  6. Step 6: Final answer
    x = 14,936.80

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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.