Home / 38,269.83-57,430.87-13,309.63

Finding the Fourth Proportional to 38,269.83, 57,430.87 and 13,309.63

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Solution

The fourth proportional to 38,269.83, 57,430.87 and 13,309.63 is: 19,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,269.83 : 57,430.87 = 13,309.63 : x
  2. Step 2: Convert to fraction form
    38,269.83/57,430.87 = 13,309.63/x
  3. Step 3: Cross multiply
    38,269.83x = 57,430.87 × 13,309.63
  4. Step 4: Simplify right side
    38,269.83x = 764,383,630.28
  5. Step 5: Solve for x
    x = 764,383,630.28/38,269.83
  6. Step 6: Final answer
    x = 19,973.53

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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.