Home / 16,137.66-22,291.00-12,406.70

Finding the Fourth Proportional to 16,137.66, 22,291.00 and 12,406.70

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Solution

The fourth proportional to 16,137.66, 22,291.00 and 12,406.70 is: 17,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,137.66 : 22,291.00 = 12,406.70 : x
  2. Step 2: Convert to fraction form
    16,137.66/22,291.00 = 12,406.70/x
  3. Step 3: Cross multiply
    16,137.66x = 22,291.00 × 12,406.70
  4. Step 4: Simplify right side
    16,137.66x = 276,557,774.41
  5. Step 5: Solve for x
    x = 276,557,774.41/16,137.66
  6. Step 6: Final answer
    x = 17,137.41

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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.