Home / 26,425.90-39,638.58-8,895.61

Finding the Fourth Proportional to 26,425.90, 39,638.58 and 8,895.61

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Solution

The fourth proportional to 26,425.90, 39,638.58 and 8,895.61 is: 13,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,425.90 : 39,638.58 = 8,895.61 : x
  2. Step 2: Convert to fraction form
    26,425.90/39,638.58 = 8,895.61/x
  3. Step 3: Cross multiply
    26,425.90x = 39,638.58 × 8,895.61
  4. Step 4: Simplify right side
    26,425.90x = 352,609,348.63
  5. Step 5: Solve for x
    x = 352,609,348.63/26,425.90
  6. Step 6: Final answer
    x = 13,343.32

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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.