Home / 39,003.98-58,505.92-12,708.68

Finding the Fourth Proportional to 39,003.98, 58,505.92 and 12,708.68

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Solution

The fourth proportional to 39,003.98, 58,505.92 and 12,708.68 is: 19,063.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,003.98 : 58,505.92 = 12,708.68 : x
  2. Step 2: Convert to fraction form
    39,003.98/58,505.92 = 12,708.68/x
  3. Step 3: Cross multiply
    39,003.98x = 58,505.92 × 12,708.68
  4. Step 4: Simplify right side
    39,003.98x = 743,533,015.39
  5. Step 5: Solve for x
    x = 743,533,015.39/39,003.98
  6. Step 6: Final answer
    x = 19,063.00

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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.