Home / 38,014.21-57,017.66-11,711.89

Finding the Fourth Proportional to 38,014.21, 57,017.66 and 11,711.89

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Solution

The fourth proportional to 38,014.21, 57,017.66 and 11,711.89 is: 17,566.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,014.21 : 57,017.66 = 11,711.89 : x
  2. Step 2: Convert to fraction form
    38,014.21/57,017.66 = 11,711.89/x
  3. Step 3: Cross multiply
    38,014.21x = 57,017.66 × 11,711.89
  4. Step 4: Simplify right side
    38,014.21x = 667,784,276.89
  5. Step 5: Solve for x
    x = 667,784,276.89/38,014.21
  6. Step 6: Final answer
    x = 17,566.70

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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.