Home / 25,741.20-35,523.13-15,131

Finding the Fourth Proportional to 25,741.20, 35,523.13 and 15,131

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Solution

The fourth proportional to 25,741.20, 35,523.13 and 15,131 is: 20,880.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,741.20 : 35,523.13 = 15,131 : x
  2. Step 2: Convert to fraction form
    25,741.20/35,523.13 = 15,131/x
  3. Step 3: Cross multiply
    25,741.20x = 35,523.13 × 15,131
  4. Step 4: Simplify right side
    25,741.20x = 537,500,480.03
  5. Step 5: Solve for x
    x = 537,500,480.03/25,741.20
  6. Step 6: Final answer
    x = 20,880.94

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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.