Home / 19,960.39-29,942.11-11,641.24

Finding the Fourth Proportional to 19,960.39, 29,942.11 and 11,641.24

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Solution

The fourth proportional to 19,960.39, 29,942.11 and 11,641.24 is: 17,462.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.39 : 29,942.11 = 11,641.24 : x
  2. Step 2: Convert to fraction form
    19,960.39/29,942.11 = 11,641.24/x
  3. Step 3: Cross multiply
    19,960.39x = 29,942.11 × 11,641.24
  4. Step 4: Simplify right side
    19,960.39x = 348,563,106.69
  5. Step 5: Solve for x
    x = 348,563,106.69/19,960.39
  6. Step 6: Final answer
    x = 17,462.74

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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.