Home / 25,942.34-35,750.48-18,857.54

Finding the Fourth Proportional to 25,942.34, 35,750.48 and 18,857.54

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Solution

The fourth proportional to 25,942.34, 35,750.48 and 18,857.54 is: 25,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,942.34 : 35,750.48 = 18,857.54 : x
  2. Step 2: Convert to fraction form
    25,942.34/35,750.48 = 18,857.54/x
  3. Step 3: Cross multiply
    25,942.34x = 35,750.48 × 18,857.54
  4. Step 4: Simplify right side
    25,942.34x = 674,166,106.62
  5. Step 5: Solve for x
    x = 674,166,106.62/25,942.34
  6. Step 6: Final answer
    x = 25,987.10

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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.