Home / 16,982.10-25,599.20-15,830.10

Finding the Fourth Proportional to 16,982.10, 25,599.20 and 15,830.10

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Solution

The fourth proportional to 16,982.10, 25,599.20 and 15,830.10 is: 23,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.10 : 25,599.20 = 15,830.10 : x
  2. Step 2: Convert to fraction form
    16,982.10/25,599.20 = 15,830.10/x
  3. Step 3: Cross multiply
    16,982.10x = 25,599.20 × 15,830.10
  4. Step 4: Simplify right side
    16,982.10x = 405,237,816.77
  5. Step 5: Solve for x
    x = 405,237,816.77/16,982.10
  6. Step 6: Final answer
    x = 23,862.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.