Home / 27,116.96-37,421.04-15,180.30

Finding the Fourth Proportional to 27,116.96, 37,421.04 and 15,180.30

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Solution

The fourth proportional to 27,116.96, 37,421.04 and 15,180.30 is: 20,948.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,116.96 : 37,421.04 = 15,180.30 : x
  2. Step 2: Convert to fraction form
    27,116.96/37,421.04 = 15,180.30/x
  3. Step 3: Cross multiply
    27,116.96x = 37,421.04 × 15,180.30
  4. Step 4: Simplify right side
    27,116.96x = 568,062,613.51
  5. Step 5: Solve for x
    x = 568,062,613.51/27,116.96
  6. Step 6: Final answer
    x = 20,948.61

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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.