Home / 25,532.14-35,251.71-18,818.54

Finding the Fourth Proportional to 25,532.14, 35,251.71 and 18,818.54

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Solution

The fourth proportional to 25,532.14, 35,251.71 and 18,818.54 is: 25,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,532.14 : 35,251.71 = 18,818.54 : x
  2. Step 2: Convert to fraction form
    25,532.14/35,251.71 = 18,818.54/x
  3. Step 3: Cross multiply
    25,532.14x = 35,251.71 × 18,818.54
  4. Step 4: Simplify right side
    25,532.14x = 663,385,714.70
  5. Step 5: Solve for x
    x = 663,385,714.70/25,532.14
  6. Step 6: Final answer
    x = 25,982.38

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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.