Home / 18,379.16-27,543.20-9,596.55

Finding the Fourth Proportional to 18,379.16, 27,543.20 and 9,596.55

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Solution

The fourth proportional to 18,379.16, 27,543.20 and 9,596.55 is: 14,381.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379.16 : 27,543.20 = 9,596.55 : x
  2. Step 2: Convert to fraction form
    18,379.16/27,543.20 = 9,596.55/x
  3. Step 3: Cross multiply
    18,379.16x = 27,543.20 × 9,596.55
  4. Step 4: Simplify right side
    18,379.16x = 264,319,647.98
  5. Step 5: Solve for x
    x = 264,319,647.98/18,379.16
  6. Step 6: Final answer
    x = 14,381.49

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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.