Home / 23,398.18-32,288.94-12,787.88

Finding the Fourth Proportional to 23,398.18, 32,288.94 and 12,787.88

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Solution

The fourth proportional to 23,398.18, 32,288.94 and 12,787.88 is: 17,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,398.18 : 32,288.94 = 12,787.88 : x
  2. Step 2: Convert to fraction form
    23,398.18/32,288.94 = 12,787.88/x
  3. Step 3: Cross multiply
    23,398.18x = 32,288.94 × 12,787.88
  4. Step 4: Simplify right side
    23,398.18x = 412,907,090.05
  5. Step 5: Solve for x
    x = 412,907,090.05/23,398.18
  6. Step 6: Final answer
    x = 17,646.97

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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.