Home / 16,812.34-23,203.79-12,825.92

Finding the Fourth Proportional to 16,812.34, 23,203.79 and 12,825.92

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Solution

The fourth proportional to 16,812.34, 23,203.79 and 12,825.92 is: 17,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.34 : 23,203.79 = 12,825.92 : x
  2. Step 2: Convert to fraction form
    16,812.34/23,203.79 = 12,825.92/x
  3. Step 3: Cross multiply
    16,812.34x = 23,203.79 × 12,825.92
  4. Step 4: Simplify right side
    16,812.34x = 297,609,954.24
  5. Step 5: Solve for x
    x = 297,609,954.24/16,812.34
  6. Step 6: Final answer
    x = 17,701.88

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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.