Home / 18,741.68-25,863.36-10,358.12

Finding the Fourth Proportional to 18,741.68, 25,863.36 and 10,358.12

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Solution

The fourth proportional to 18,741.68, 25,863.36 and 10,358.12 is: 14,294.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.68 : 25,863.36 = 10,358.12 : x
  2. Step 2: Convert to fraction form
    18,741.68/25,863.36 = 10,358.12/x
  3. Step 3: Cross multiply
    18,741.68x = 25,863.36 × 10,358.12
  4. Step 4: Simplify right side
    18,741.68x = 267,895,786.48
  5. Step 5: Solve for x
    x = 267,895,786.48/18,741.68
  6. Step 6: Final answer
    x = 14,294.12

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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.