Home / 18,543.23-27,766.85-16,857.49

Finding the Fourth Proportional to 18,543.23, 27,766.85 and 16,857.49

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Solution

The fourth proportional to 18,543.23, 27,766.85 and 16,857.49 is: 25,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.23 : 27,766.85 = 16,857.49 : x
  2. Step 2: Convert to fraction form
    18,543.23/27,766.85 = 16,857.49/x
  3. Step 3: Cross multiply
    18,543.23x = 27,766.85 × 16,857.49
  4. Step 4: Simplify right side
    18,543.23x = 468,079,396.21
  5. Step 5: Solve for x
    x = 468,079,396.21/18,543.23
  6. Step 6: Final answer
    x = 25,242.60

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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.