Home / 15,909.74-23,872.80-6,556.67

Finding the Fourth Proportional to 15,909.74, 23,872.80 and 6,556.67

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Solution

The fourth proportional to 15,909.74, 23,872.80 and 6,556.67 is: 9,838.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,909.74 : 23,872.80 = 6,556.67 : x
  2. Step 2: Convert to fraction form
    15,909.74/23,872.80 = 6,556.67/x
  3. Step 3: Cross multiply
    15,909.74x = 23,872.80 × 6,556.67
  4. Step 4: Simplify right side
    15,909.74x = 156,526,071.58
  5. Step 5: Solve for x
    x = 156,526,071.58/15,909.74
  6. Step 6: Final answer
    x = 9,838.38

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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.