Home / 21,232.50-29,300.06-11,801.68

Finding the Fourth Proportional to 21,232.50, 29,300.06 and 11,801.68

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Solution

The fourth proportional to 21,232.50, 29,300.06 and 11,801.68 is: 16,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.50 : 29,300.06 = 11,801.68 : x
  2. Step 2: Convert to fraction form
    21,232.50/29,300.06 = 11,801.68/x
  3. Step 3: Cross multiply
    21,232.50x = 29,300.06 × 11,801.68
  4. Step 4: Simplify right side
    21,232.50x = 345,789,932.10
  5. Step 5: Solve for x
    x = 345,789,932.10/21,232.50
  6. Step 6: Final answer
    x = 16,285.88

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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.