Home / 15,872.65-23,808.74-3,864.92

Finding the Fourth Proportional to 15,872.65, 23,808.74 and 3,864.92

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Solution

The fourth proportional to 15,872.65, 23,808.74 and 3,864.92 is: 5,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,872.65 : 23,808.74 = 3,864.92 : x
  2. Step 2: Convert to fraction form
    15,872.65/23,808.74 = 3,864.92/x
  3. Step 3: Cross multiply
    15,872.65x = 23,808.74 × 3,864.92
  4. Step 4: Simplify right side
    15,872.65x = 92,018,795.41
  5. Step 5: Solve for x
    x = 92,018,795.41/15,872.65
  6. Step 6: Final answer
    x = 5,797.32

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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.