Home / 26,532.85-39,790.82-8,760.20

Finding the Fourth Proportional to 26,532.85, 39,790.82 and 8,760.20

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Solution

The fourth proportional to 26,532.85, 39,790.82 and 8,760.20 is: 13,137.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,532.85 : 39,790.82 = 8,760.20 : x
  2. Step 2: Convert to fraction form
    26,532.85/39,790.82 = 8,760.20/x
  3. Step 3: Cross multiply
    26,532.85x = 39,790.82 × 8,760.20
  4. Step 4: Simplify right side
    26,532.85x = 348,575,364.31
  5. Step 5: Solve for x
    x = 348,575,364.31/26,532.85
  6. Step 6: Final answer
    x = 13,137.50

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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.