Home / 14,830.12-20,464.68-8,114.50

Finding the Fourth Proportional to 14,830.12, 20,464.68 and 8,114.50

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Solution

The fourth proportional to 14,830.12, 20,464.68 and 8,114.50 is: 11,197.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,830.12 : 20,464.68 = 8,114.50 : x
  2. Step 2: Convert to fraction form
    14,830.12/20,464.68 = 8,114.50/x
  3. Step 3: Cross multiply
    14,830.12x = 20,464.68 × 8,114.50
  4. Step 4: Simplify right side
    14,830.12x = 166,060,645.86
  5. Step 5: Solve for x
    x = 166,060,645.86/14,830.12
  6. Step 6: Final answer
    x = 11,197.53

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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.