Home / 26,613.90-36,734.85-18,658.08

Finding the Fourth Proportional to 26,613.90, 36,734.85 and 18,658.08

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Solution

The fourth proportional to 26,613.90, 36,734.85 and 18,658.08 is: 25,753.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,613.90 : 36,734.85 = 18,658.08 : x
  2. Step 2: Convert to fraction form
    26,613.90/36,734.85 = 18,658.08/x
  3. Step 3: Cross multiply
    26,613.90x = 36,734.85 × 18,658.08
  4. Step 4: Simplify right side
    26,613.90x = 685,401,770.09
  5. Step 5: Solve for x
    x = 685,401,770.09/26,613.90
  6. Step 6: Final answer
    x = 25,753.53

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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.