Home / 25,864.68-38,760.57-11,790.12

Finding the Fourth Proportional to 25,864.68, 38,760.57 and 11,790.12

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Solution

The fourth proportional to 25,864.68, 38,760.57 and 11,790.12 is: 17,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,864.68 : 38,760.57 = 11,790.12 : x
  2. Step 2: Convert to fraction form
    25,864.68/38,760.57 = 11,790.12/x
  3. Step 3: Cross multiply
    25,864.68x = 38,760.57 × 11,790.12
  4. Step 4: Simplify right side
    25,864.68x = 456,991,771.57
  5. Step 5: Solve for x
    x = 456,991,771.57/25,864.68
  6. Step 6: Final answer
    x = 17,668.56

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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.