Home / 26,175.12-39,224.52-12,139.44

Finding the Fourth Proportional to 26,175.12, 39,224.52 and 12,139.44

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Solution

The fourth proportional to 26,175.12, 39,224.52 and 12,139.44 is: 18,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,175.12 : 39,224.52 = 12,139.44 : x
  2. Step 2: Convert to fraction form
    26,175.12/39,224.52 = 12,139.44/x
  3. Step 3: Cross multiply
    26,175.12x = 39,224.52 × 12,139.44
  4. Step 4: Simplify right side
    26,175.12x = 476,163,707.07
  5. Step 5: Solve for x
    x = 476,163,707.07/26,175.12
  6. Step 6: Final answer
    x = 18,191.46

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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.