Home / 15,857.54-23,784.41-4,171.67

Finding the Fourth Proportional to 15,857.54, 23,784.41 and 4,171.67

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Solution

The fourth proportional to 15,857.54, 23,784.41 and 4,171.67 is: 6,257.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.54 : 23,784.41 = 4,171.67 : x
  2. Step 2: Convert to fraction form
    15,857.54/23,784.41 = 4,171.67/x
  3. Step 3: Cross multiply
    15,857.54x = 23,784.41 × 4,171.67
  4. Step 4: Simplify right side
    15,857.54x = 99,220,590.74
  5. Step 5: Solve for x
    x = 99,220,590.74/15,857.54
  6. Step 6: Final answer
    x = 6,257.00

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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.