Home / 14,827.52-20,462.82-8,112.92

Finding the Fourth Proportional to 14,827.52, 20,462.82 and 8,112.92

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Solution

The fourth proportional to 14,827.52, 20,462.82 and 8,112.92 is: 11,196.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,827.52 : 20,462.82 = 8,112.92 : x
  2. Step 2: Convert to fraction form
    14,827.52/20,462.82 = 8,112.92/x
  3. Step 3: Cross multiply
    14,827.52x = 20,462.82 × 8,112.92
  4. Step 4: Simplify right side
    14,827.52x = 166,013,221.63
  5. Step 5: Solve for x
    x = 166,013,221.63/14,827.52
  6. Step 6: Final answer
    x = 11,196.29

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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.