Home / 26,416.53-39,630.87-8,885.90

Finding the Fourth Proportional to 26,416.53, 39,630.87 and 8,885.90

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Solution

The fourth proportional to 26,416.53, 39,630.87 and 8,885.90 is: 13,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,416.53 : 39,630.87 = 8,885.90 : x
  2. Step 2: Convert to fraction form
    26,416.53/39,630.87 = 8,885.90/x
  3. Step 3: Cross multiply
    26,416.53x = 39,630.87 × 8,885.90
  4. Step 4: Simplify right side
    26,416.53x = 352,156,046.81
  5. Step 5: Solve for x
    x = 352,156,046.81/26,416.53
  6. Step 6: Final answer
    x = 13,330.90

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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.