Home / 19,109.25-28,596.15-14,099.76

Finding the Fourth Proportional to 19,109.25, 28,596.15 and 14,099.76

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Solution

The fourth proportional to 19,109.25, 28,596.15 and 14,099.76 is: 21,099.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.25 : 28,596.15 = 14,099.76 : x
  2. Step 2: Convert to fraction form
    19,109.25/28,596.15 = 14,099.76/x
  3. Step 3: Cross multiply
    19,109.25x = 28,596.15 × 14,099.76
  4. Step 4: Simplify right side
    19,109.25x = 403,198,851.92
  5. Step 5: Solve for x
    x = 403,198,851.92/19,109.25
  6. Step 6: Final answer
    x = 21,099.67

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1.5x scale

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.