Home / 26,433.70-39,650.62-8,915.82

Finding the Fourth Proportional to 26,433.70, 39,650.62 and 8,915.82

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Solution

The fourth proportional to 26,433.70, 39,650.62 and 8,915.82 is: 13,373.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,433.70 : 39,650.62 = 8,915.82 : x
  2. Step 2: Convert to fraction form
    26,433.70/39,650.62 = 8,915.82/x
  3. Step 3: Cross multiply
    26,433.70x = 39,650.62 × 8,915.82
  4. Step 4: Simplify right side
    26,433.70x = 353,517,790.81
  5. Step 5: Solve for x
    x = 353,517,790.81/26,433.70
  6. Step 6: Final answer
    x = 13,373.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.