Home / 14,787.20-22,168.35-6,460.88

Finding the Fourth Proportional to 14,787.20, 22,168.35 and 6,460.88

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Solution

The fourth proportional to 14,787.20, 22,168.35 and 6,460.88 is: 9,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787.20 : 22,168.35 = 6,460.88 : x
  2. Step 2: Convert to fraction form
    14,787.20/22,168.35 = 6,460.88/x
  3. Step 3: Cross multiply
    14,787.20x = 22,168.35 × 6,460.88
  4. Step 4: Simplify right side
    14,787.20x = 143,226,938.31
  5. Step 5: Solve for x
    x = 143,226,938.31/14,787.20
  6. Step 6: Final answer
    x = 9,685.87

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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.