Home / 14,491.67-19,997.49-8,117.17

Finding the Fourth Proportional to 14,491.67, 19,997.49 and 8,117.17

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Solution

The fourth proportional to 14,491.67, 19,997.49 and 8,117.17 is: 11,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.67 : 19,997.49 = 8,117.17 : x
  2. Step 2: Convert to fraction form
    14,491.67/19,997.49 = 8,117.17/x
  3. Step 3: Cross multiply
    14,491.67x = 19,997.49 × 8,117.17
  4. Step 4: Simplify right side
    14,491.67x = 162,323,025.90
  5. Step 5: Solve for x
    x = 162,323,025.90/14,491.67
  6. Step 6: Final answer
    x = 11,201.13

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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.