Home / 27,613.67-38,118.53-18,673.29

Finding the Fourth Proportional to 27,613.67, 38,118.53 and 18,673.29

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Solution

The fourth proportional to 27,613.67, 38,118.53 and 18,673.29 is: 25,777.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,613.67 : 38,118.53 = 18,673.29 : x
  2. Step 2: Convert to fraction form
    27,613.67/38,118.53 = 18,673.29/x
  3. Step 3: Cross multiply
    27,613.67x = 38,118.53 × 18,673.29
  4. Step 4: Simplify right side
    27,613.67x = 711,798,411.75
  5. Step 5: Solve for x
    x = 711,798,411.75/27,613.67
  6. Step 6: Final answer
    x = 25,777.04

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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.