Home / 27,613.96-38,106.66-15,677.08

Finding the Fourth Proportional to 27,613.96, 38,106.66 and 15,677.08

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Solution

The fourth proportional to 27,613.96, 38,106.66 and 15,677.08 is: 21,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,613.96 : 38,106.66 = 15,677.08 : x
  2. Step 2: Convert to fraction form
    27,613.96/38,106.66 = 15,677.08/x
  3. Step 3: Cross multiply
    27,613.96x = 38,106.66 × 15,677.08
  4. Step 4: Simplify right side
    27,613.96x = 597,401,157.35
  5. Step 5: Solve for x
    x = 597,401,157.35/27,613.96
  6. Step 6: Final answer
    x = 21,634.03

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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.