Home / 17,120.92-23,598.64-11,453.65

Finding the Fourth Proportional to 17,120.92, 23,598.64 and 11,453.65

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Solution

The fourth proportional to 17,120.92, 23,598.64 and 11,453.65 is: 15,787.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.92 : 23,598.64 = 11,453.65 : x
  2. Step 2: Convert to fraction form
    17,120.92/23,598.64 = 11,453.65/x
  3. Step 3: Cross multiply
    17,120.92x = 23,598.64 × 11,453.65
  4. Step 4: Simplify right side
    17,120.92x = 270,290,651.10
  5. Step 5: Solve for x
    x = 270,290,651.10/17,120.92
  6. Step 6: Final answer
    x = 15,787.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.