Home / 23,787.12-35,679.32-7,146.80

Finding the Fourth Proportional to 23,787.12, 35,679.32 and 7,146.80

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Solution

The fourth proportional to 23,787.12, 35,679.32 and 7,146.80 is: 10,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,787.12 : 35,679.32 = 7,146.80 : x
  2. Step 2: Convert to fraction form
    23,787.12/35,679.32 = 7,146.80/x
  3. Step 3: Cross multiply
    23,787.12x = 35,679.32 × 7,146.80
  4. Step 4: Simplify right side
    23,787.12x = 254,992,964.18
  5. Step 5: Solve for x
    x = 254,992,964.18/23,787.12
  6. Step 6: Final answer
    x = 10,719.79

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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.