Home / 16,211.18-22,381.74-13,234.10

Finding the Fourth Proportional to 16,211.18, 22,381.74 and 13,234.10

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Solution

The fourth proportional to 16,211.18, 22,381.74 and 13,234.10 is: 18,271.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211.18 : 22,381.74 = 13,234.10 : x
  2. Step 2: Convert to fraction form
    16,211.18/22,381.74 = 13,234.10/x
  3. Step 3: Cross multiply
    16,211.18x = 22,381.74 × 13,234.10
  4. Step 4: Simplify right side
    16,211.18x = 296,202,185.33
  5. Step 5: Solve for x
    x = 296,202,185.33/16,211.18
  6. Step 6: Final answer
    x = 18,271.48

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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.