Home / 38,516.41-57,774.46-12,223.20

Finding the Fourth Proportional to 38,516.41, 57,774.46 and 12,223.20

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Solution

The fourth proportional to 38,516.41, 57,774.46 and 12,223.20 is: 18,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,516.41 : 57,774.46 = 12,223.20 : x
  2. Step 2: Convert to fraction form
    38,516.41/57,774.46 = 12,223.20/x
  3. Step 3: Cross multiply
    38,516.41x = 57,774.46 × 12,223.20
  4. Step 4: Simplify right side
    38,516.41x = 706,188,779.47
  5. Step 5: Solve for x
    x = 706,188,779.47/38,516.41
  6. Step 6: Final answer
    x = 18,334.75

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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.