Home / 17,787.60-24,552-12,483.72

Finding the Fourth Proportional to 17,787.60, 24,552 and 12,483.72

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Solution

The fourth proportional to 17,787.60, 24,552 and 12,483.72 is: 17,231.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,787.60 : 24,552 = 12,483.72 : x
  2. Step 2: Convert to fraction form
    17,787.60/24,552 = 12,483.72/x
  3. Step 3: Cross multiply
    17,787.60x = 24,552 × 12,483.72
  4. Step 4: Simplify right side
    17,787.60x = 306,500,293.44
  5. Step 5: Solve for x
    x = 306,500,293.44/17,787.60
  6. Step 6: Final answer
    x = 17,231.12

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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.