Home / 25,423.88-38,146.30-11,185.04

Finding the Fourth Proportional to 25,423.88, 38,146.30 and 11,185.04

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Solution

The fourth proportional to 25,423.88, 38,146.30 and 11,185.04 is: 16,782.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,423.88 : 38,146.30 = 11,185.04 : x
  2. Step 2: Convert to fraction form
    25,423.88/38,146.30 = 11,185.04/x
  3. Step 3: Cross multiply
    25,423.88x = 38,146.30 × 11,185.04
  4. Step 4: Simplify right side
    25,423.88x = 426,667,891.35
  5. Step 5: Solve for x
    x = 426,667,891.35/25,423.88
  6. Step 6: Final answer
    x = 16,782.17

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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.