Home / 17,855.20-24,638.83-9,787.57

Finding the Fourth Proportional to 17,855.20, 24,638.83 and 9,787.57

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Solution

The fourth proportional to 17,855.20, 24,638.83 and 9,787.57 is: 13,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.20 : 24,638.83 = 9,787.57 : x
  2. Step 2: Convert to fraction form
    17,855.20/24,638.83 = 9,787.57/x
  3. Step 3: Cross multiply
    17,855.20x = 24,638.83 × 9,787.57
  4. Step 4: Simplify right side
    17,855.20x = 241,154,187.28
  5. Step 5: Solve for x
    x = 241,154,187.28/17,855.20
  6. Step 6: Final answer
    x = 13,506.10

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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.