Home / 38,378.75-57,543.39-16,186.19

Finding the Fourth Proportional to 38,378.75, 57,543.39 and 16,186.19

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Solution

The fourth proportional to 38,378.75, 57,543.39 and 16,186.19 is: 24,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,378.75 : 57,543.39 = 16,186.19 : x
  2. Step 2: Convert to fraction form
    38,378.75/57,543.39 = 16,186.19/x
  3. Step 3: Cross multiply
    38,378.75x = 57,543.39 × 16,186.19
  4. Step 4: Simplify right side
    38,378.75x = 931,407,956.07
  5. Step 5: Solve for x
    x = 931,407,956.07/38,378.75
  6. Step 6: Final answer
    x = 24,268.85

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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.