Home / 21,048.41-29,046.75-11,616.91

Finding the Fourth Proportional to 21,048.41, 29,046.75 and 11,616.91

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Solution

The fourth proportional to 21,048.41, 29,046.75 and 11,616.91 is: 16,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.41 : 29,046.75 = 11,616.91 : x
  2. Step 2: Convert to fraction form
    21,048.41/29,046.75 = 11,616.91/x
  3. Step 3: Cross multiply
    21,048.41x = 29,046.75 × 11,616.91
  4. Step 4: Simplify right side
    21,048.41x = 337,433,335.31
  5. Step 5: Solve for x
    x = 337,433,335.31/21,048.41
  6. Step 6: Final answer
    x = 16,031.30

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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.