Home / 13,827.71-19,076.82-8,513.30

Finding the Fourth Proportional to 13,827.71, 19,076.82 and 8,513.30

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Solution

The fourth proportional to 13,827.71, 19,076.82 and 8,513.30 is: 11,745.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.71 : 19,076.82 = 8,513.30 : x
  2. Step 2: Convert to fraction form
    13,827.71/19,076.82 = 8,513.30/x
  3. Step 3: Cross multiply
    13,827.71x = 19,076.82 × 8,513.30
  4. Step 4: Simplify right side
    13,827.71x = 162,406,691.71
  5. Step 5: Solve for x
    x = 162,406,691.71/13,827.71
  6. Step 6: Final answer
    x = 11,745.02

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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.