Home / 25,613.41-38,426.96-8,083.57

Finding the Fourth Proportional to 25,613.41, 38,426.96 and 8,083.57

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Solution

The fourth proportional to 25,613.41, 38,426.96 and 8,083.57 is: 12,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.41 : 38,426.96 = 8,083.57 : x
  2. Step 2: Convert to fraction form
    25,613.41/38,426.96 = 8,083.57/x
  3. Step 3: Cross multiply
    25,613.41x = 38,426.96 × 8,083.57
  4. Step 4: Simplify right side
    25,613.41x = 310,627,021.05
  5. Step 5: Solve for x
    x = 310,627,021.05/25,613.41
  6. Step 6: Final answer
    x = 12,127.52

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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.