Home / 26,613.95-39,885.46-12,577.71

Finding the Fourth Proportional to 26,613.95, 39,885.46 and 12,577.71

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Solution

The fourth proportional to 26,613.95, 39,885.46 and 12,577.71 is: 18,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,613.95 : 39,885.46 = 12,577.71 : x
  2. Step 2: Convert to fraction form
    26,613.95/39,885.46 = 12,577.71/x
  3. Step 3: Cross multiply
    26,613.95x = 39,885.46 × 12,577.71
  4. Step 4: Simplify right side
    26,613.95x = 501,667,749.10
  5. Step 5: Solve for x
    x = 501,667,749.10/26,613.95
  6. Step 6: Final answer
    x = 18,849.80

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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.