Home / 53,233.15-79,849.73-13,790.27

Finding the Fourth Proportional to 53,233.15, 79,849.73 and 13,790.27

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Solution

The fourth proportional to 53,233.15, 79,849.73 and 13,790.27 is: 20,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,233.15 : 79,849.73 = 13,790.27 : x
  2. Step 2: Convert to fraction form
    53,233.15/79,849.73 = 13,790.27/x
  3. Step 3: Cross multiply
    53,233.15x = 79,849.73 × 13,790.27
  4. Step 4: Simplify right side
    53,233.15x = 1,101,149,336.13
  5. Step 5: Solve for x
    x = 1,101,149,336.13/53,233.15
  6. Step 6: Final answer
    x = 20,685.41

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Similar ratio
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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.