Home / 12,896.77-19,345.38-4,577.26

Finding the Fourth Proportional to 12,896.77, 19,345.38 and 4,577.26

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Solution

The fourth proportional to 12,896.77, 19,345.38 and 4,577.26 is: 6,865.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.77 : 19,345.38 = 4,577.26 : x
  2. Step 2: Convert to fraction form
    12,896.77/19,345.38 = 4,577.26/x
  3. Step 3: Cross multiply
    12,896.77x = 19,345.38 × 4,577.26
  4. Step 4: Simplify right side
    12,896.77x = 88,548,714.45
  5. Step 5: Solve for x
    x = 88,548,714.45/12,896.77
  6. Step 6: Final answer
    x = 6,865.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.