Home / 19,729.56-27,226.98-11,775.36

Finding the Fourth Proportional to 19,729.56, 27,226.98 and 11,775.36

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Solution

The fourth proportional to 19,729.56, 27,226.98 and 11,775.36 is: 16,250.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.56 : 27,226.98 = 11,775.36 : x
  2. Step 2: Convert to fraction form
    19,729.56/27,226.98 = 11,775.36/x
  3. Step 3: Cross multiply
    19,729.56x = 27,226.98 × 11,775.36
  4. Step 4: Simplify right side
    19,729.56x = 320,607,491.21
  5. Step 5: Solve for x
    x = 320,607,491.21/19,729.56
  6. Step 6: Final answer
    x = 16,250.11

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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.