Home / 13,314.86-18,452.18-13,126.94

Finding the Fourth Proportional to 13,314.86, 18,452.18 and 13,126.94

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Solution

The fourth proportional to 13,314.86, 18,452.18 and 13,126.94 is: 18,191.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.86 : 18,452.18 = 13,126.94 : x
  2. Step 2: Convert to fraction form
    13,314.86/18,452.18 = 13,126.94/x
  3. Step 3: Cross multiply
    13,314.86x = 18,452.18 × 13,126.94
  4. Step 4: Simplify right side
    13,314.86x = 242,220,659.73
  5. Step 5: Solve for x
    x = 242,220,659.73/13,314.86
  6. Step 6: Final answer
    x = 18,191.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.