Home / 13,801.61-20,672.24-10,673.39

Finding the Fourth Proportional to 13,801.61, 20,672.24 and 10,673.39

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Solution

The fourth proportional to 13,801.61, 20,672.24 and 10,673.39 is: 15,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.61 : 20,672.24 = 10,673.39 : x
  2. Step 2: Convert to fraction form
    13,801.61/20,672.24 = 10,673.39/x
  3. Step 3: Cross multiply
    13,801.61x = 20,672.24 × 10,673.39
  4. Step 4: Simplify right side
    13,801.61x = 220,642,722.97
  5. Step 5: Solve for x
    x = 220,642,722.97/13,801.61
  6. Step 6: Final answer
    x = 15,986.74

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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.