Home / 13,531.10-20,299.71-4,766.09

Finding the Fourth Proportional to 13,531.10, 20,299.71 and 4,766.09

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Solution

The fourth proportional to 13,531.10, 20,299.71 and 4,766.09 is: 7,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.10 : 20,299.71 = 4,766.09 : x
  2. Step 2: Convert to fraction form
    13,531.10/20,299.71 = 4,766.09/x
  3. Step 3: Cross multiply
    13,531.10x = 20,299.71 × 4,766.09
  4. Step 4: Simplify right side
    13,531.10x = 96,750,143.34
  5. Step 5: Solve for x
    x = 96,750,143.34/13,531.10
  6. Step 6: Final answer
    x = 7,150.21

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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.