Home / 15,456.48-23,176.80-8,059.20

Finding the Fourth Proportional to 15,456.48, 23,176.80 and 8,059.20

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Solution

The fourth proportional to 15,456.48, 23,176.80 and 8,059.20 is: 12,084.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.48 : 23,176.80 = 8,059.20 : x
  2. Step 2: Convert to fraction form
    15,456.48/23,176.80 = 8,059.20/x
  3. Step 3: Cross multiply
    15,456.48x = 23,176.80 × 8,059.20
  4. Step 4: Simplify right side
    15,456.48x = 186,786,466.56
  5. Step 5: Solve for x
    x = 186,786,466.56/15,456.48
  6. Step 6: Final answer
    x = 12,084.67

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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.