Home / 19,995.80-27,597.27-12,343.53

Finding the Fourth Proportional to 19,995.80, 27,597.27 and 12,343.53

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Solution

The fourth proportional to 19,995.80, 27,597.27 and 12,343.53 is: 17,035.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.80 : 27,597.27 = 12,343.53 : x
  2. Step 2: Convert to fraction form
    19,995.80/27,597.27 = 12,343.53/x
  3. Step 3: Cross multiply
    19,995.80x = 27,597.27 × 12,343.53
  4. Step 4: Simplify right side
    19,995.80x = 340,647,879.94
  5. Step 5: Solve for x
    x = 340,647,879.94/19,995.80
  6. Step 6: Final answer
    x = 17,035.98

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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.