Home / 14,673.18-20,260.62-13,553.70

Finding the Fourth Proportional to 14,673.18, 20,260.62 and 13,553.70

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Solution

The fourth proportional to 14,673.18, 20,260.62 and 13,553.70 is: 18,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,673.18 : 20,260.62 = 13,553.70 : x
  2. Step 2: Convert to fraction form
    14,673.18/20,260.62 = 13,553.70/x
  3. Step 3: Cross multiply
    14,673.18x = 20,260.62 × 13,553.70
  4. Step 4: Simplify right side
    14,673.18x = 274,606,365.29
  5. Step 5: Solve for x
    x = 274,606,365.29/14,673.18
  6. Step 6: Final answer
    x = 18,714.85

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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.