Home / 23,046.92-31,807.28-12,977.76

Finding the Fourth Proportional to 23,046.92, 31,807.28 and 12,977.76

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Solution

The fourth proportional to 23,046.92, 31,807.28 and 12,977.76 is: 17,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,046.92 : 31,807.28 = 12,977.76 : x
  2. Step 2: Convert to fraction form
    23,046.92/31,807.28 = 12,977.76/x
  3. Step 3: Cross multiply
    23,046.92x = 31,807.28 × 12,977.76
  4. Step 4: Simplify right side
    23,046.92x = 412,787,246.09
  5. Step 5: Solve for x
    x = 412,787,246.09/23,046.92
  6. Step 6: Final answer
    x = 17,910.73

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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.