Home / 53,075.96-79,613.93-13,633.11

Finding the Fourth Proportional to 53,075.96, 79,613.93 and 13,633.11

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Solution

The fourth proportional to 53,075.96, 79,613.93 and 13,633.11 is: 20,449.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,075.96 : 79,613.93 = 13,633.11 : x
  2. Step 2: Convert to fraction form
    53,075.96/79,613.93 = 13,633.11/x
  3. Step 3: Cross multiply
    53,075.96x = 79,613.93 × 13,633.11
  4. Step 4: Simplify right side
    53,075.96x = 1,085,385,067.15
  5. Step 5: Solve for x
    x = 1,085,385,067.15/53,075.96
  6. Step 6: Final answer
    x = 20,449.66

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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.