Home / 21,057.37-29,059.55-11,625.37

Finding the Fourth Proportional to 21,057.37, 29,059.55 and 11,625.37

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Solution

The fourth proportional to 21,057.37, 29,059.55 and 11,625.37 is: 16,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057.37 : 29,059.55 = 11,625.37 : x
  2. Step 2: Convert to fraction form
    21,057.37/29,059.55 = 11,625.37/x
  3. Step 3: Cross multiply
    21,057.37x = 29,059.55 × 11,625.37
  4. Step 4: Simplify right side
    21,057.37x = 337,827,962.66
  5. Step 5: Solve for x
    x = 337,827,962.66/21,057.37
  6. Step 6: Final answer
    x = 16,043.22

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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.