Home / 25,735.37-35,516.65-18,960.45

Finding the Fourth Proportional to 25,735.37, 35,516.65 and 18,960.45

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Solution

The fourth proportional to 25,735.37, 35,516.65 and 18,960.45 is: 26,166.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,735.37 : 35,516.65 = 18,960.45 : x
  2. Step 2: Convert to fraction form
    25,735.37/35,516.65 = 18,960.45/x
  3. Step 3: Cross multiply
    25,735.37x = 35,516.65 × 18,960.45
  4. Step 4: Simplify right side
    25,735.37x = 673,411,874.45
  5. Step 5: Solve for x
    x = 673,411,874.45/25,735.37
  6. Step 6: Final answer
    x = 26,166.78

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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.