Home / 13,834.80-20,727.90-11,356.20

Finding the Fourth Proportional to 13,834.80, 20,727.90 and 11,356.20

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Solution

The fourth proportional to 13,834.80, 20,727.90 and 11,356.20 is: 17,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.80 : 20,727.90 = 11,356.20 : x
  2. Step 2: Convert to fraction form
    13,834.80/20,727.90 = 11,356.20/x
  3. Step 3: Cross multiply
    13,834.80x = 20,727.90 × 11,356.20
  4. Step 4: Simplify right side
    13,834.80x = 235,390,177.98
  5. Step 5: Solve for x
    x = 235,390,177.98/13,834.80
  6. Step 6: Final answer
    x = 17,014.35

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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.