Home / 23,636.40-35,454.60-19,489.20

Finding the Fourth Proportional to 23,636.40, 35,454.60 and 19,489.20

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Solution

The fourth proportional to 23,636.40, 35,454.60 and 19,489.20 is: 29,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,636.40 : 35,454.60 = 19,489.20 : x
  2. Step 2: Convert to fraction form
    23,636.40/35,454.60 = 19,489.20/x
  3. Step 3: Cross multiply
    23,636.40x = 35,454.60 × 19,489.20
  4. Step 4: Simplify right side
    23,636.40x = 690,981,790.32
  5. Step 5: Solve for x
    x = 690,981,790.32/23,636.40
  6. Step 6: Final answer
    x = 29,233.80

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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.