Home / 38,666.14-57,986.84-12,364.62

Finding the Fourth Proportional to 38,666.14, 57,986.84 and 12,364.62

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Solution

The fourth proportional to 38,666.14, 57,986.84 and 12,364.62 is: 18,542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,666.14 : 57,986.84 = 12,364.62 : x
  2. Step 2: Convert to fraction form
    38,666.14/57,986.84 = 12,364.62/x
  3. Step 3: Cross multiply
    38,666.14x = 57,986.84 × 12,364.62
  4. Step 4: Simplify right side
    38,666.14x = 716,985,241.60
  5. Step 5: Solve for x
    x = 716,985,241.60/38,666.14
  6. Step 6: Final answer
    x = 18,542.97

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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.