Home / 19,599.91-29,403.39-7,137.43

Finding the Fourth Proportional to 19,599.91, 29,403.39 and 7,137.43

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Solution

The fourth proportional to 19,599.91, 29,403.39 and 7,137.43 is: 10,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,599.91 : 29,403.39 = 7,137.43 : x
  2. Step 2: Convert to fraction form
    19,599.91/29,403.39 = 7,137.43/x
  3. Step 3: Cross multiply
    19,599.91x = 29,403.39 × 7,137.43
  4. Step 4: Simplify right side
    19,599.91x = 209,864,716.39
  5. Step 5: Solve for x
    x = 209,864,716.39/19,599.91
  6. Step 6: Final answer
    x = 10,707.43

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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.