Home / 25,451.22-38,176.82-13,787.22

Finding the Fourth Proportional to 25,451.22, 38,176.82 and 13,787.22

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Solution

The fourth proportional to 25,451.22, 38,176.82 and 13,787.22 is: 20,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.22 : 38,176.82 = 13,787.22 : x
  2. Step 2: Convert to fraction form
    25,451.22/38,176.82 = 13,787.22/x
  3. Step 3: Cross multiply
    25,451.22x = 38,176.82 × 13,787.22
  4. Step 4: Simplify right side
    25,451.22x = 526,352,216.24
  5. Step 5: Solve for x
    x = 526,352,216.24/25,451.22
  6. Step 6: Final answer
    x = 20,680.82

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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.