Home / 21,048.26-29,045.75-11,616.70

Finding the Fourth Proportional to 21,048.26, 29,045.75 and 11,616.70

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Solution

The fourth proportional to 21,048.26, 29,045.75 and 11,616.70 is: 16,030.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.26 : 29,045.75 = 11,616.70 : x
  2. Step 2: Convert to fraction form
    21,048.26/29,045.75 = 11,616.70/x
  3. Step 3: Cross multiply
    21,048.26x = 29,045.75 × 11,616.70
  4. Step 4: Simplify right side
    21,048.26x = 337,415,764.03
  5. Step 5: Solve for x
    x = 337,415,764.03/21,048.26
  6. Step 6: Final answer
    x = 16,030.58

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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.