Home / 14,777.22-20,400.08-11,412.48

Finding the Fourth Proportional to 14,777.22, 20,400.08 and 11,412.48

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Solution

The fourth proportional to 14,777.22, 20,400.08 and 11,412.48 is: 15,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.22 : 20,400.08 = 11,412.48 : x
  2. Step 2: Convert to fraction form
    14,777.22/20,400.08 = 11,412.48/x
  3. Step 3: Cross multiply
    14,777.22x = 20,400.08 × 11,412.48
  4. Step 4: Simplify right side
    14,777.22x = 232,815,505.00
  5. Step 5: Solve for x
    x = 232,815,505.00/14,777.22
  6. Step 6: Final answer
    x = 15,755.03

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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.