Home / 17,787.20-24,546.40-9,829.44

Finding the Fourth Proportional to 17,787.20, 24,546.40 and 9,829.44

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Solution

The fourth proportional to 17,787.20, 24,546.40 and 9,829.44 is: 13,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,787.20 : 24,546.40 = 9,829.44 : x
  2. Step 2: Convert to fraction form
    17,787.20/24,546.40 = 9,829.44/x
  3. Step 3: Cross multiply
    17,787.20x = 24,546.40 × 9,829.44
  4. Step 4: Simplify right side
    17,787.20x = 241,277,366.02
  5. Step 5: Solve for x
    x = 241,277,366.02/17,787.20
  6. Step 6: Final answer
    x = 13,564.66

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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.