Home / 16,757.92-23,128.76-9,688.44

Finding the Fourth Proportional to 16,757.92, 23,128.76 and 9,688.44

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Solution

The fourth proportional to 16,757.92, 23,128.76 and 9,688.44 is: 13,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,757.92 : 23,128.76 = 9,688.44 : x
  2. Step 2: Convert to fraction form
    16,757.92/23,128.76 = 9,688.44/x
  3. Step 3: Cross multiply
    16,757.92x = 23,128.76 × 9,688.44
  4. Step 4: Simplify right side
    16,757.92x = 224,081,603.53
  5. Step 5: Solve for x
    x = 224,081,603.53/16,757.92
  6. Step 6: Final answer
    x = 13,371.68

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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.