Home / 21,048.12-29,044.98-11,616.48

Finding the Fourth Proportional to 21,048.12, 29,044.98 and 11,616.48

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Solution

The fourth proportional to 21,048.12, 29,044.98 and 11,616.48 is: 16,029.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.12 : 29,044.98 = 11,616.48 : x
  2. Step 2: Convert to fraction form
    21,048.12/29,044.98 = 11,616.48/x
  3. Step 3: Cross multiply
    21,048.12x = 29,044.98 × 11,616.48
  4. Step 4: Simplify right side
    21,048.12x = 337,400,429.27
  5. Step 5: Solve for x
    x = 337,400,429.27/21,048.12
  6. Step 6: Final answer
    x = 16,029.96

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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.