Home / 25,929.60-35,771.67-19,951.80

Finding the Fourth Proportional to 25,929.60, 35,771.67 and 19,951.80

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Solution

The fourth proportional to 25,929.60, 35,771.67 and 19,951.80 is: 27,524.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,929.60 : 35,771.67 = 19,951.80 : x
  2. Step 2: Convert to fraction form
    25,929.60/35,771.67 = 19,951.80/x
  3. Step 3: Cross multiply
    25,929.60x = 35,771.67 × 19,951.80
  4. Step 4: Simplify right side
    25,929.60x = 713,709,205.51
  5. Step 5: Solve for x
    x = 713,709,205.51/25,929.60
  6. Step 6: Final answer
    x = 27,524.88

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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.