Home / 18,297.90-25,251.35-10,749.92

Finding the Fourth Proportional to 18,297.90, 25,251.35 and 10,749.92

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Solution

The fourth proportional to 18,297.90, 25,251.35 and 10,749.92 is: 14,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.90 : 25,251.35 = 10,749.92 : x
  2. Step 2: Convert to fraction form
    18,297.90/25,251.35 = 10,749.92/x
  3. Step 3: Cross multiply
    18,297.90x = 25,251.35 × 10,749.92
  4. Step 4: Simplify right side
    18,297.90x = 271,449,812.39
  5. Step 5: Solve for x
    x = 271,449,812.39/18,297.90
  6. Step 6: Final answer
    x = 14,835.03

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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.