Home / 16,879.17-23,260.36-12,154.53

Finding the Fourth Proportional to 16,879.17, 23,260.36 and 12,154.53

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Solution

The fourth proportional to 16,879.17, 23,260.36 and 12,154.53 is: 16,749.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.17 : 23,260.36 = 12,154.53 : x
  2. Step 2: Convert to fraction form
    16,879.17/23,260.36 = 12,154.53/x
  3. Step 3: Cross multiply
    16,879.17x = 23,260.36 × 12,154.53
  4. Step 4: Simplify right side
    16,879.17x = 282,718,743.43
  5. Step 5: Solve for x
    x = 282,718,743.43/16,879.17
  6. Step 6: Final answer
    x = 16,749.56

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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.