Home / 25,741.84-38,613.68-8,874.76

Finding the Fourth Proportional to 25,741.84, 38,613.68 and 8,874.76

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Solution

The fourth proportional to 25,741.84, 38,613.68 and 8,874.76 is: 13,312.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,741.84 : 38,613.68 = 8,874.76 : x
  2. Step 2: Convert to fraction form
    25,741.84/38,613.68 = 8,874.76/x
  3. Step 3: Cross multiply
    25,741.84x = 38,613.68 × 8,874.76
  4. Step 4: Simplify right side
    25,741.84x = 342,687,142.72
  5. Step 5: Solve for x
    x = 342,687,142.72/25,741.84
  6. Step 6: Final answer
    x = 13,312.46

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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.