Home / 18,741.50-25,863.63-10,357.82

Finding the Fourth Proportional to 18,741.50, 25,863.63 and 10,357.82

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Solution

The fourth proportional to 18,741.50, 25,863.63 and 10,357.82 is: 14,293.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.50 : 25,863.63 = 10,357.82 : x
  2. Step 2: Convert to fraction form
    18,741.50/25,863.63 = 10,357.82/x
  3. Step 3: Cross multiply
    18,741.50x = 25,863.63 × 10,357.82
  4. Step 4: Simplify right side
    18,741.50x = 267,890,824.09
  5. Step 5: Solve for x
    x = 267,890,824.09/18,741.50
  6. Step 6: Final answer
    x = 14,293.99

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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.