Home / 21,193.36-29,247.48-11,762.56

Finding the Fourth Proportional to 21,193.36, 29,247.48 and 11,762.56

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Solution

The fourth proportional to 21,193.36, 29,247.48 and 11,762.56 is: 16,232.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.36 : 29,247.48 = 11,762.56 : x
  2. Step 2: Convert to fraction form
    21,193.36/29,247.48 = 11,762.56/x
  3. Step 3: Cross multiply
    21,193.36x = 29,247.48 × 11,762.56
  4. Step 4: Simplify right side
    21,193.36x = 344,025,238.35
  5. Step 5: Solve for x
    x = 344,025,238.35/21,193.36
  6. Step 6: Final answer
    x = 16,232.69

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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.