Home / 14,484.62-19,987.36-8,517.76

Finding the Fourth Proportional to 14,484.62, 19,987.36 and 8,517.76

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Solution

The fourth proportional to 14,484.62, 19,987.36 and 8,517.76 is: 11,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484.62 : 19,987.36 = 8,517.76 : x
  2. Step 2: Convert to fraction form
    14,484.62/19,987.36 = 8,517.76/x
  3. Step 3: Cross multiply
    14,484.62x = 19,987.36 × 8,517.76
  4. Step 4: Simplify right side
    14,484.62x = 170,247,464.25
  5. Step 5: Solve for x
    x = 170,247,464.25/14,484.62
  6. Step 6: Final answer
    x = 11,753.67

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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.