Home / 16,729.20-25,122.60-8,953.20

Finding the Fourth Proportional to 16,729.20, 25,122.60 and 8,953.20

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Solution

The fourth proportional to 16,729.20, 25,122.60 and 8,953.20 is: 13,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,729.20 : 25,122.60 = 8,953.20 : x
  2. Step 2: Convert to fraction form
    16,729.20/25,122.60 = 8,953.20/x
  3. Step 3: Cross multiply
    16,729.20x = 25,122.60 × 8,953.20
  4. Step 4: Simplify right side
    16,729.20x = 224,927,662.32
  5. Step 5: Solve for x
    x = 224,927,662.32/16,729.20
  6. Step 6: Final answer
    x = 13,445.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.