Home / 26,460.04-39,690.30-8,690.44

Finding the Fourth Proportional to 26,460.04, 39,690.30 and 8,690.44

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Solution

The fourth proportional to 26,460.04, 39,690.30 and 8,690.44 is: 13,035.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,460.04 : 39,690.30 = 8,690.44 : x
  2. Step 2: Convert to fraction form
    26,460.04/39,690.30 = 8,690.44/x
  3. Step 3: Cross multiply
    26,460.04x = 39,690.30 × 8,690.44
  4. Step 4: Simplify right side
    26,460.04x = 344,926,170.73
  5. Step 5: Solve for x
    x = 344,926,170.73/26,460.04
  6. Step 6: Final answer
    x = 13,035.74

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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.