Home / 23,843.89-32,787.90-20,694.61

Finding the Fourth Proportional to 23,843.89, 32,787.90 and 20,694.61

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Solution

The fourth proportional to 23,843.89, 32,787.90 and 20,694.61 is: 28,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,843.89 : 32,787.90 = 20,694.61 : x
  2. Step 2: Convert to fraction form
    23,843.89/32,787.90 = 20,694.61/x
  3. Step 3: Cross multiply
    23,843.89x = 32,787.90 × 20,694.61
  4. Step 4: Simplify right side
    23,843.89x = 678,532,803.22
  5. Step 5: Solve for x
    x = 678,532,803.22/23,843.89
  6. Step 6: Final answer
    x = 28,457.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.