Home / 14,072.40-21,099.96-6,666.84

Finding the Fourth Proportional to 14,072.40, 21,099.96 and 6,666.84

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Solution

The fourth proportional to 14,072.40, 21,099.96 and 6,666.84 is: 9,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.40 : 21,099.96 = 6,666.84 : x
  2. Step 2: Convert to fraction form
    14,072.40/21,099.96 = 6,666.84/x
  3. Step 3: Cross multiply
    14,072.40x = 21,099.96 × 6,666.84
  4. Step 4: Simplify right side
    14,072.40x = 140,670,057.33
  5. Step 5: Solve for x
    x = 140,670,057.33/14,072.40
  6. Step 6: Final answer
    x = 9,996.17

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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.