Home / 14,805.08-20,431.30-8,835.62

Finding the Fourth Proportional to 14,805.08, 20,431.30 and 8,835.62

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Solution

The fourth proportional to 14,805.08, 20,431.30 and 8,835.62 is: 12,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,805.08 : 20,431.30 = 8,835.62 : x
  2. Step 2: Convert to fraction form
    14,805.08/20,431.30 = 8,835.62/x
  3. Step 3: Cross multiply
    14,805.08x = 20,431.30 × 8,835.62
  4. Step 4: Simplify right side
    14,805.08x = 180,523,202.91
  5. Step 5: Solve for x
    x = 180,523,202.91/14,805.08
  6. Step 6: Final answer
    x = 12,193.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.