Home / 14,298.57-21,450.55-5,416.56

Finding the Fourth Proportional to 14,298.57, 21,450.55 and 5,416.56

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Solution

The fourth proportional to 14,298.57, 21,450.55 and 5,416.56 is: 8,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.57 : 21,450.55 = 5,416.56 : x
  2. Step 2: Convert to fraction form
    14,298.57/21,450.55 = 5,416.56/x
  3. Step 3: Cross multiply
    14,298.57x = 21,450.55 × 5,416.56
  4. Step 4: Simplify right side
    14,298.57x = 116,188,258.28
  5. Step 5: Solve for x
    x = 116,188,258.28/14,298.57
  6. Step 6: Final answer
    x = 8,125.86

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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.