Home / 19,636.56-29,428.92-11,321.10

Finding the Fourth Proportional to 19,636.56, 29,428.92 and 11,321.10

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Solution

The fourth proportional to 19,636.56, 29,428.92 and 11,321.10 is: 16,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.56 : 29,428.92 = 11,321.10 : x
  2. Step 2: Convert to fraction form
    19,636.56/29,428.92 = 11,321.10/x
  3. Step 3: Cross multiply
    19,636.56x = 29,428.92 × 11,321.10
  4. Step 4: Simplify right side
    19,636.56x = 333,167,746.21
  5. Step 5: Solve for x
    x = 333,167,746.21/19,636.56
  6. Step 6: Final answer
    x = 16,966.71

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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.