Home / 25,623.34-38,435.31-12,464.48

Finding the Fourth Proportional to 25,623.34, 38,435.31 and 12,464.48

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Solution

The fourth proportional to 25,623.34, 38,435.31 and 12,464.48 is: 18,696.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623.34 : 38,435.31 = 12,464.48 : x
  2. Step 2: Convert to fraction form
    25,623.34/38,435.31 = 12,464.48/x
  3. Step 3: Cross multiply
    25,623.34x = 38,435.31 × 12,464.48
  4. Step 4: Simplify right side
    25,623.34x = 479,076,248.88
  5. Step 5: Solve for x
    x = 479,076,248.88/25,623.34
  6. Step 6: Final answer
    x = 18,696.87

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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.