Home / 19,546.20-29,297.70-10,787.40

Finding the Fourth Proportional to 19,546.20, 29,297.70 and 10,787.40

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Solution

The fourth proportional to 19,546.20, 29,297.70 and 10,787.40 is: 16,169.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,546.20 : 29,297.70 = 10,787.40 : x
  2. Step 2: Convert to fraction form
    19,546.20/29,297.70 = 10,787.40/x
  3. Step 3: Cross multiply
    19,546.20x = 29,297.70 × 10,787.40
  4. Step 4: Simplify right side
    19,546.20x = 316,046,008.98
  5. Step 5: Solve for x
    x = 316,046,008.98/19,546.20
  6. Step 6: Final answer
    x = 16,169.18

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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.