Home / 25,613.50-38,411-10,823.56

Finding the Fourth Proportional to 25,613.50, 38,411 and 10,823.56

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Solution

The fourth proportional to 25,613.50, 38,411 and 10,823.56 is: 16,231.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.50 : 38,411 = 10,823.56 : x
  2. Step 2: Convert to fraction form
    25,613.50/38,411 = 10,823.56/x
  3. Step 3: Cross multiply
    25,613.50x = 38,411 × 10,823.56
  4. Step 4: Simplify right side
    25,613.50x = 415,743,571.11
  5. Step 5: Solve for x
    x = 415,743,571.11/25,613.50
  6. Step 6: Final answer
    x = 16,231.43

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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.