Home / 17,247.36-23,785.20-13,722.24

Finding the Fourth Proportional to 17,247.36, 23,785.20 and 13,722.24

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Solution

The fourth proportional to 17,247.36, 23,785.20 and 13,722.24 is: 18,923.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,247.36 : 23,785.20 = 13,722.24 : x
  2. Step 2: Convert to fraction form
    17,247.36/23,785.20 = 13,722.24/x
  3. Step 3: Cross multiply
    17,247.36x = 23,785.20 × 13,722.24
  4. Step 4: Simplify right side
    17,247.36x = 326,386,222.85
  5. Step 5: Solve for x
    x = 326,386,222.85/17,247.36
  6. Step 6: Final answer
    x = 18,923.84

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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.