Home / 17,153.12-23,662.32-11,565.92

Finding the Fourth Proportional to 17,153.12, 23,662.32 and 11,565.92

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Solution

The fourth proportional to 17,153.12, 23,662.32 and 11,565.92 is: 15,954.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,153.12 : 23,662.32 = 11,565.92 : x
  2. Step 2: Convert to fraction form
    17,153.12/23,662.32 = 11,565.92/x
  3. Step 3: Cross multiply
    17,153.12x = 23,662.32 × 11,565.92
  4. Step 4: Simplify right side
    17,153.12x = 273,676,500.13
  5. Step 5: Solve for x
    x = 273,676,500.13/17,153.12
  6. Step 6: Final answer
    x = 15,954.91

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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.