Home / 14,170.61-21,226.74-8,313.09

Finding the Fourth Proportional to 14,170.61, 21,226.74 and 8,313.09

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Solution

The fourth proportional to 14,170.61, 21,226.74 and 8,313.09 is: 12,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.61 : 21,226.74 = 8,313.09 : x
  2. Step 2: Convert to fraction form
    14,170.61/21,226.74 = 8,313.09/x
  3. Step 3: Cross multiply
    14,170.61x = 21,226.74 × 8,313.09
  4. Step 4: Simplify right side
    14,170.61x = 176,459,800.03
  5. Step 5: Solve for x
    x = 176,459,800.03/14,170.61
  6. Step 6: Final answer
    x = 12,452.52

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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.