Home / 21,048.18-29,046.69-11,616.54

Finding the Fourth Proportional to 21,048.18, 29,046.69 and 11,616.54

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Solution

The fourth proportional to 21,048.18, 29,046.69 and 11,616.54 is: 16,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.18 : 29,046.69 = 11,616.54 : x
  2. Step 2: Convert to fraction form
    21,048.18/29,046.69 = 11,616.54/x
  3. Step 3: Cross multiply
    21,048.18x = 29,046.69 × 11,616.54
  4. Step 4: Simplify right side
    21,048.18x = 337,422,036.25
  5. Step 5: Solve for x
    x = 337,422,036.25/21,048.18
  6. Step 6: Final answer
    x = 16,030.94

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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.