Home / 14,768.48-20,380.53-8,054.15

Finding the Fourth Proportional to 14,768.48, 20,380.53 and 8,054.15

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Solution

The fourth proportional to 14,768.48, 20,380.53 and 8,054.15 is: 11,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,768.48 : 20,380.53 = 8,054.15 : x
  2. Step 2: Convert to fraction form
    14,768.48/20,380.53 = 8,054.15/x
  3. Step 3: Cross multiply
    14,768.48x = 20,380.53 × 8,054.15
  4. Step 4: Simplify right side
    14,768.48x = 164,147,743.80
  5. Step 5: Solve for x
    x = 164,147,743.80/14,768.48
  6. Step 6: Final answer
    x = 11,114.74

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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.