Home / 21,481.70-29,644.65-12,050.26

Finding the Fourth Proportional to 21,481.70, 29,644.65 and 12,050.26

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Solution

The fourth proportional to 21,481.70, 29,644.65 and 12,050.26 is: 16,629.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481.70 : 29,644.65 = 12,050.26 : x
  2. Step 2: Convert to fraction form
    21,481.70/29,644.65 = 12,050.26/x
  3. Step 3: Cross multiply
    21,481.70x = 29,644.65 × 12,050.26
  4. Step 4: Simplify right side
    21,481.70x = 357,225,666.00
  5. Step 5: Solve for x
    x = 357,225,666.00/21,481.70
  6. Step 6: Final answer
    x = 16,629.31

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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.