Home / 14,156.22-19,533.99-8,491.20

Finding the Fourth Proportional to 14,156.22, 19,533.99 and 8,491.20

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Solution

The fourth proportional to 14,156.22, 19,533.99 and 8,491.20 is: 11,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.22 : 19,533.99 = 8,491.20 : x
  2. Step 2: Convert to fraction form
    14,156.22/19,533.99 = 8,491.20/x
  3. Step 3: Cross multiply
    14,156.22x = 19,533.99 × 8,491.20
  4. Step 4: Simplify right side
    14,156.22x = 165,866,974.48
  5. Step 5: Solve for x
    x = 165,866,974.48/14,156.22
  6. Step 6: Final answer
    x = 11,716.90

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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.