Home / 13,827.18-20,732.43-5,508.48

Finding the Fourth Proportional to 13,827.18, 20,732.43 and 5,508.48

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Solution

The fourth proportional to 13,827.18, 20,732.43 and 5,508.48 is: 8,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.18 : 20,732.43 = 5,508.48 : x
  2. Step 2: Convert to fraction form
    13,827.18/20,732.43 = 5,508.48/x
  3. Step 3: Cross multiply
    13,827.18x = 20,732.43 × 5,508.48
  4. Step 4: Simplify right side
    13,827.18x = 114,204,176.01
  5. Step 5: Solve for x
    x = 114,204,176.01/13,827.18
  6. Step 6: Final answer
    x = 8,259.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.