Home / 25,395.70-35,020.38-16,886.89

Finding the Fourth Proportional to 25,395.70, 35,020.38 and 16,886.89

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Solution

The fourth proportional to 25,395.70, 35,020.38 and 16,886.89 is: 23,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,395.70 : 35,020.38 = 16,886.89 : x
  2. Step 2: Convert to fraction form
    25,395.70/35,020.38 = 16,886.89/x
  3. Step 3: Cross multiply
    25,395.70x = 35,020.38 × 16,886.89
  4. Step 4: Simplify right side
    25,395.70x = 591,385,304.82
  5. Step 5: Solve for x
    x = 591,385,304.82/25,395.70
  6. Step 6: Final answer
    x = 23,286.83

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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.