Home / 22,736.82-31,368.14-16,782.70

Finding the Fourth Proportional to 22,736.82, 31,368.14 and 16,782.70

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Solution

The fourth proportional to 22,736.82, 31,368.14 and 16,782.70 is: 23,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,736.82 : 31,368.14 = 16,782.70 : x
  2. Step 2: Convert to fraction form
    22,736.82/31,368.14 = 16,782.70/x
  3. Step 3: Cross multiply
    22,736.82x = 31,368.14 × 16,782.70
  4. Step 4: Simplify right side
    22,736.82x = 526,442,083.18
  5. Step 5: Solve for x
    x = 526,442,083.18/22,736.82
  6. Step 6: Final answer
    x = 23,153.73

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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.