Home / 14,105.60-19,467.08-7,817.96

Finding the Fourth Proportional to 14,105.60, 19,467.08 and 7,817.96

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Solution

The fourth proportional to 14,105.60, 19,467.08 and 7,817.96 is: 10,789.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.60 : 19,467.08 = 7,817.96 : x
  2. Step 2: Convert to fraction form
    14,105.60/19,467.08 = 7,817.96/x
  3. Step 3: Cross multiply
    14,105.60x = 19,467.08 × 7,817.96
  4. Step 4: Simplify right side
    14,105.60x = 152,192,852.76
  5. Step 5: Solve for x
    x = 152,192,852.76/14,105.60
  6. Step 6: Final answer
    x = 10,789.53

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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.