Home / 20,473.57-30,710.36-5,682.61

Finding the Fourth Proportional to 20,473.57, 30,710.36 and 5,682.61

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Solution

The fourth proportional to 20,473.57, 30,710.36 and 5,682.61 is: 8,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,473.57 : 30,710.36 = 5,682.61 : x
  2. Step 2: Convert to fraction form
    20,473.57/30,710.36 = 5,682.61/x
  3. Step 3: Cross multiply
    20,473.57x = 30,710.36 × 5,682.61
  4. Step 4: Simplify right side
    20,473.57x = 174,514,998.84
  5. Step 5: Solve for x
    x = 174,514,998.84/20,473.57
  6. Step 6: Final answer
    x = 8,523.92

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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.