Home / 20,569.96-30,813.83-9,461.42

Finding the Fourth Proportional to 20,569.96, 30,813.83 and 9,461.42

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Solution

The fourth proportional to 20,569.96, 30,813.83 and 9,461.42 is: 14,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,569.96 : 30,813.83 = 9,461.42 : x
  2. Step 2: Convert to fraction form
    20,569.96/30,813.83 = 9,461.42/x
  3. Step 3: Cross multiply
    20,569.96x = 30,813.83 × 9,461.42
  4. Step 4: Simplify right side
    20,569.96x = 291,542,587.44
  5. Step 5: Solve for x
    x = 291,542,587.44/20,569.96
  6. Step 6: Final answer
    x = 14,173.22

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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.