Home / 12,265.35-18,400.74-4,474.14

Finding the Fourth Proportional to 12,265.35, 18,400.74 and 4,474.14

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Solution

The fourth proportional to 12,265.35, 18,400.74 and 4,474.14 is: 6,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.35 : 18,400.74 = 4,474.14 : x
  2. Step 2: Convert to fraction form
    12,265.35/18,400.74 = 4,474.14/x
  3. Step 3: Cross multiply
    12,265.35x = 18,400.74 × 4,474.14
  4. Step 4: Simplify right side
    12,265.35x = 82,327,486.86
  5. Step 5: Solve for x
    x = 82,327,486.86/12,265.35
  6. Step 6: Final answer
    x = 6,712.20

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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.