Home / 21,092.24-29,106.60-11,659.52

Finding the Fourth Proportional to 21,092.24, 29,106.60 and 11,659.52

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Solution

The fourth proportional to 21,092.24, 29,106.60 and 11,659.52 is: 16,089.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,092.24 : 29,106.60 = 11,659.52 : x
  2. Step 2: Convert to fraction form
    21,092.24/29,106.60 = 11,659.52/x
  3. Step 3: Cross multiply
    21,092.24x = 29,106.60 × 11,659.52
  4. Step 4: Simplify right side
    21,092.24x = 339,368,984.83
  5. Step 5: Solve for x
    x = 339,368,984.83/21,092.24
  6. Step 6: Final answer
    x = 16,089.76

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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.