Home / 14,997.81-22,511.28-7,212.09

Finding the Fourth Proportional to 14,997.81, 22,511.28 and 7,212.09

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Solution

The fourth proportional to 14,997.81, 22,511.28 and 7,212.09 is: 10,825.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997.81 : 22,511.28 = 7,212.09 : x
  2. Step 2: Convert to fraction form
    14,997.81/22,511.28 = 7,212.09/x
  3. Step 3: Cross multiply
    14,997.81x = 22,511.28 × 7,212.09
  4. Step 4: Simplify right side
    14,997.81x = 162,353,377.38
  5. Step 5: Solve for x
    x = 162,353,377.38/14,997.81
  6. Step 6: Final answer
    x = 10,825.14

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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.