Home / 16,880.92-23,262.78-12,156.28

Finding the Fourth Proportional to 16,880.92, 23,262.78 and 12,156.28

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Solution

The fourth proportional to 16,880.92, 23,262.78 and 12,156.28 is: 16,751.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.92 : 23,262.78 = 12,156.28 : x
  2. Step 2: Convert to fraction form
    16,880.92/23,262.78 = 12,156.28/x
  3. Step 3: Cross multiply
    16,880.92x = 23,262.78 × 12,156.28
  4. Step 4: Simplify right side
    16,880.92x = 282,788,867.26
  5. Step 5: Solve for x
    x = 282,788,867.26/16,880.92
  6. Step 6: Final answer
    x = 16,751.98

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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.