Home / 21,052.24-29,051.94-11,620.80

Finding the Fourth Proportional to 21,052.24, 29,051.94 and 11,620.80

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Solution

The fourth proportional to 21,052.24, 29,051.94 and 11,620.80 is: 16,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.24 : 29,051.94 = 11,620.80 : x
  2. Step 2: Convert to fraction form
    21,052.24/29,051.94 = 11,620.80/x
  3. Step 3: Cross multiply
    21,052.24x = 29,051.94 × 11,620.80
  4. Step 4: Simplify right side
    21,052.24x = 337,606,784.35
  5. Step 5: Solve for x
    x = 337,606,784.35/21,052.24
  6. Step 6: Final answer
    x = 16,036.62

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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.