Home / 38,845.58-58,253.72-12,543.26

Finding the Fourth Proportional to 38,845.58, 58,253.72 and 12,543.26

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Solution

The fourth proportional to 38,845.58, 58,253.72 and 12,543.26 is: 18,810.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,845.58 : 58,253.72 = 12,543.26 : x
  2. Step 2: Convert to fraction form
    38,845.58/58,253.72 = 12,543.26/x
  3. Step 3: Cross multiply
    38,845.58x = 58,253.72 × 12,543.26
  4. Step 4: Simplify right side
    38,845.58x = 730,691,201.94
  5. Step 5: Solve for x
    x = 730,691,201.94/38,845.58
  6. Step 6: Final answer
    x = 18,810.15

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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.