Home / 14,491.28-20,006.87-11,127.56

Finding the Fourth Proportional to 14,491.28, 20,006.87 and 11,127.56

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Solution

The fourth proportional to 14,491.28, 20,006.87 and 11,127.56 is: 15,362.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.28 : 20,006.87 = 11,127.56 : x
  2. Step 2: Convert to fraction form
    14,491.28/20,006.87 = 11,127.56/x
  3. Step 3: Cross multiply
    14,491.28x = 20,006.87 × 11,127.56
  4. Step 4: Simplify right side
    14,491.28x = 222,627,490.67
  5. Step 5: Solve for x
    x = 222,627,490.67/14,491.28
  6. Step 6: Final answer
    x = 15,362.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.