Home / 19,639.14-29,236.61-19,522.38

Finding the Fourth Proportional to 19,639.14, 29,236.61 and 19,522.38

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Solution

The fourth proportional to 19,639.14, 29,236.61 and 19,522.38 is: 29,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639.14 : 29,236.61 = 19,522.38 : x
  2. Step 2: Convert to fraction form
    19,639.14/29,236.61 = 19,522.38/x
  3. Step 3: Cross multiply
    19,639.14x = 29,236.61 × 19,522.38
  4. Step 4: Simplify right side
    19,639.14x = 570,768,112.72
  5. Step 5: Solve for x
    x = 570,768,112.72/19,639.14
  6. Step 6: Final answer
    x = 29,062.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.