Home / 20,473.08-30,709.62-6,623.16

Finding the Fourth Proportional to 20,473.08, 30,709.62 and 6,623.16

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Solution

The fourth proportional to 20,473.08, 30,709.62 and 6,623.16 is: 9,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,473.08 : 30,709.62 = 6,623.16 : x
  2. Step 2: Convert to fraction form
    20,473.08/30,709.62 = 6,623.16/x
  3. Step 3: Cross multiply
    20,473.08x = 30,709.62 × 6,623.16
  4. Step 4: Simplify right side
    20,473.08x = 203,394,726.80
  5. Step 5: Solve for x
    x = 203,394,726.80/20,473.08
  6. Step 6: Final answer
    x = 9,934.74

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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.