Home / 26,619.80-39,846.62-19,607.72

Finding the Fourth Proportional to 26,619.80, 39,846.62 and 19,607.72

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Solution

The fourth proportional to 26,619.80, 39,846.62 and 19,607.72 is: 29,350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.80 : 39,846.62 = 19,607.72 : x
  2. Step 2: Convert to fraction form
    26,619.80/39,846.62 = 19,607.72/x
  3. Step 3: Cross multiply
    26,619.80x = 39,846.62 × 19,607.72
  4. Step 4: Simplify right side
    26,619.80x = 781,301,070.63
  5. Step 5: Solve for x
    x = 781,301,070.63/26,619.80
  6. Step 6: Final answer
    x = 29,350.38

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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.