Home / 14,742.83-22,115.79-8,502.70

Finding the Fourth Proportional to 14,742.83, 22,115.79 and 8,502.70

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Solution

The fourth proportional to 14,742.83, 22,115.79 and 8,502.70 is: 12,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.83 : 22,115.79 = 8,502.70 : x
  2. Step 2: Convert to fraction form
    14,742.83/22,115.79 = 8,502.70/x
  3. Step 3: Cross multiply
    14,742.83x = 22,115.79 × 8,502.70
  4. Step 4: Simplify right side
    14,742.83x = 188,043,872.34
  5. Step 5: Solve for x
    x = 188,043,872.34/14,742.83
  6. Step 6: Final answer
    x = 12,754.94

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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.