Home / 23,900.24-32,982.13-13,289.78

Finding the Fourth Proportional to 23,900.24, 32,982.13 and 13,289.78

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Solution

The fourth proportional to 23,900.24, 32,982.13 and 13,289.78 is: 18,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,900.24 : 32,982.13 = 13,289.78 : x
  2. Step 2: Convert to fraction form
    23,900.24/32,982.13 = 13,289.78/x
  3. Step 3: Cross multiply
    23,900.24x = 32,982.13 × 13,289.78
  4. Step 4: Simplify right side
    23,900.24x = 438,325,251.63
  5. Step 5: Solve for x
    x = 438,325,251.63/23,900.24
  6. Step 6: Final answer
    x = 18,339.78

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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.