Home / 14,015.45-21,023.26-4,154.82

Finding the Fourth Proportional to 14,015.45, 21,023.26 and 4,154.82

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Solution

The fourth proportional to 14,015.45, 21,023.26 and 4,154.82 is: 6,232.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.45 : 21,023.26 = 4,154.82 : x
  2. Step 2: Convert to fraction form
    14,015.45/21,023.26 = 4,154.82/x
  3. Step 3: Cross multiply
    14,015.45x = 21,023.26 × 4,154.82
  4. Step 4: Simplify right side
    14,015.45x = 87,347,861.11
  5. Step 5: Solve for x
    x = 87,347,861.11/14,015.45
  6. Step 6: Final answer
    x = 6,232.26

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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.