Home / 20,158.37-27,854.28-14,511.86

Finding the Fourth Proportional to 20,158.37, 27,854.28 and 14,511.86

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Solution

The fourth proportional to 20,158.37, 27,854.28 and 14,511.86 is: 20,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158.37 : 27,854.28 = 14,511.86 : x
  2. Step 2: Convert to fraction form
    20,158.37/27,854.28 = 14,511.86/x
  3. Step 3: Cross multiply
    20,158.37x = 27,854.28 × 14,511.86
  4. Step 4: Simplify right side
    20,158.37x = 404,217,376.94
  5. Step 5: Solve for x
    x = 404,217,376.94/20,158.37
  6. Step 6: Final answer
    x = 20,052.09

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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.