Home / 21,473.09-29,644.02-16,682.35

Finding the Fourth Proportional to 21,473.09, 29,644.02 and 16,682.35

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Solution

The fourth proportional to 21,473.09, 29,644.02 and 16,682.35 is: 23,030.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473.09 : 29,644.02 = 16,682.35 : x
  2. Step 2: Convert to fraction form
    21,473.09/29,644.02 = 16,682.35/x
  3. Step 3: Cross multiply
    21,473.09x = 29,644.02 × 16,682.35
  4. Step 4: Simplify right side
    21,473.09x = 494,531,917.05
  5. Step 5: Solve for x
    x = 494,531,917.05/21,473.09
  6. Step 6: Final answer
    x = 23,030.31

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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.