Home / 13,862.79-20,801.03-8,596.37

Finding the Fourth Proportional to 13,862.79, 20,801.03 and 8,596.37

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Solution

The fourth proportional to 13,862.79, 20,801.03 and 8,596.37 is: 12,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.79 : 20,801.03 = 8,596.37 : x
  2. Step 2: Convert to fraction form
    13,862.79/20,801.03 = 8,596.37/x
  3. Step 3: Cross multiply
    13,862.79x = 20,801.03 × 8,596.37
  4. Step 4: Simplify right side
    13,862.79x = 178,813,359.28
  5. Step 5: Solve for x
    x = 178,813,359.28/13,862.79
  6. Step 6: Final answer
    x = 12,898.80

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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.