Home / 14,102.55-19,458.63-8,132.67

Finding the Fourth Proportional to 14,102.55, 19,458.63 and 8,132.67

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Solution

The fourth proportional to 14,102.55, 19,458.63 and 8,132.67 is: 11,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.55 : 19,458.63 = 8,132.67 : x
  2. Step 2: Convert to fraction form
    14,102.55/19,458.63 = 8,132.67/x
  3. Step 3: Cross multiply
    14,102.55x = 19,458.63 × 8,132.67
  4. Step 4: Simplify right side
    14,102.55x = 158,250,616.44
  5. Step 5: Solve for x
    x = 158,250,616.44/14,102.55
  6. Step 6: Final answer
    x = 11,221.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.