Home / 14,071.46-21,091.10-6,665.43

Finding the Fourth Proportional to 14,071.46, 21,091.10 and 6,665.43

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Solution

The fourth proportional to 14,071.46, 21,091.10 and 6,665.43 is: 9,990.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.46 : 21,091.10 = 6,665.43 : x
  2. Step 2: Convert to fraction form
    14,071.46/21,091.10 = 6,665.43/x
  3. Step 3: Cross multiply
    14,071.46x = 21,091.10 × 6,665.43
  4. Step 4: Simplify right side
    14,071.46x = 140,581,217.35
  5. Step 5: Solve for x
    x = 140,581,217.35/14,071.46
  6. Step 6: Final answer
    x = 9,990.52

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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.