Home / 19,163.28-26,461.92-14,136.20

Finding the Fourth Proportional to 19,163.28, 26,461.92 and 14,136.20

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Solution

The fourth proportional to 19,163.28, 26,461.92 and 14,136.20 is: 19,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.28 : 26,461.92 = 14,136.20 : x
  2. Step 2: Convert to fraction form
    19,163.28/26,461.92 = 14,136.20/x
  3. Step 3: Cross multiply
    19,163.28x = 26,461.92 × 14,136.20
  4. Step 4: Simplify right side
    19,163.28x = 374,070,993.50
  5. Step 5: Solve for x
    x = 374,070,993.50/19,163.28
  6. Step 6: Final answer
    x = 19,520.20

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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.