Home / 23,900.57-32,981.42-13,289.97

Finding the Fourth Proportional to 23,900.57, 32,981.42 and 13,289.97

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Solution

The fourth proportional to 23,900.57, 32,981.42 and 13,289.97 is: 18,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,900.57 : 32,981.42 = 13,289.97 : x
  2. Step 2: Convert to fraction form
    23,900.57/32,981.42 = 13,289.97/x
  3. Step 3: Cross multiply
    23,900.57x = 32,981.42 × 13,289.97
  4. Step 4: Simplify right side
    23,900.57x = 438,322,115.58
  5. Step 5: Solve for x
    x = 438,322,115.58/23,900.57
  6. Step 6: Final answer
    x = 18,339.40

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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.