Home / 21,050.08-29,049.15-11,618.64

Finding the Fourth Proportional to 21,050.08, 29,049.15 and 11,618.64

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Solution

The fourth proportional to 21,050.08, 29,049.15 and 11,618.64 is: 16,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.08 : 29,049.15 = 11,618.64 : x
  2. Step 2: Convert to fraction form
    21,050.08/29,049.15 = 11,618.64/x
  3. Step 3: Cross multiply
    21,050.08x = 29,049.15 × 11,618.64
  4. Step 4: Simplify right side
    21,050.08x = 337,511,616.16
  5. Step 5: Solve for x
    x = 337,511,616.16/21,050.08
  6. Step 6: Final answer
    x = 16,033.75

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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.