Home / 16,787.93-25,149.06-12,873.20

Finding the Fourth Proportional to 16,787.93, 25,149.06 and 12,873.20

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Solution

The fourth proportional to 16,787.93, 25,149.06 and 12,873.20 is: 19,284.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787.93 : 25,149.06 = 12,873.20 : x
  2. Step 2: Convert to fraction form
    16,787.93/25,149.06 = 12,873.20/x
  3. Step 3: Cross multiply
    16,787.93x = 25,149.06 × 12,873.20
  4. Step 4: Simplify right side
    16,787.93x = 323,748,753.45
  5. Step 5: Solve for x
    x = 323,748,753.45/16,787.93
  6. Step 6: Final answer
    x = 19,284.62

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1.5x scale

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.