Home / 14,665.54-20,211.30-10,416.79

Finding the Fourth Proportional to 14,665.54, 20,211.30 and 10,416.79

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Solution

The fourth proportional to 14,665.54, 20,211.30 and 10,416.79 is: 14,355.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.54 : 20,211.30 = 10,416.79 : x
  2. Step 2: Convert to fraction form
    14,665.54/20,211.30 = 10,416.79/x
  3. Step 3: Cross multiply
    14,665.54x = 20,211.30 × 10,416.79
  4. Step 4: Simplify right side
    14,665.54x = 210,536,867.73
  5. Step 5: Solve for x
    x = 210,536,867.73/14,665.54
  6. Step 6: Final answer
    x = 14,355.89

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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.