Home / 21,046.48-29,044.01-11,615.04

Finding the Fourth Proportional to 21,046.48, 29,044.01 and 11,615.04

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Solution

The fourth proportional to 21,046.48, 29,044.01 and 11,615.04 is: 16,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046.48 : 29,044.01 = 11,615.04 : x
  2. Step 2: Convert to fraction form
    21,046.48/29,044.01 = 11,615.04/x
  3. Step 3: Cross multiply
    21,046.48x = 29,044.01 × 11,615.04
  4. Step 4: Simplify right side
    21,046.48x = 337,347,381.48
  5. Step 5: Solve for x
    x = 337,347,381.48/21,046.48
  6. Step 6: Final answer
    x = 16,028.68

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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.