Home / 19,958.58-29,937.87-13,699.61

Finding the Fourth Proportional to 19,958.58, 29,937.87 and 13,699.61

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Solution

The fourth proportional to 19,958.58, 29,937.87 and 13,699.61 is: 20,549.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.58 : 29,937.87 = 13,699.61 : x
  2. Step 2: Convert to fraction form
    19,958.58/29,937.87 = 13,699.61/x
  3. Step 3: Cross multiply
    19,958.58x = 29,937.87 × 13,699.61
  4. Step 4: Simplify right side
    19,958.58x = 410,137,218.08
  5. Step 5: Solve for x
    x = 410,137,218.08/19,958.58
  6. Step 6: Final answer
    x = 20,549.42

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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.