Home / 16,705.29-25,070.09-13,457.61

Finding the Fourth Proportional to 16,705.29, 25,070.09 and 13,457.61

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Solution

The fourth proportional to 16,705.29, 25,070.09 and 13,457.61 is: 20,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,705.29 : 25,070.09 = 13,457.61 : x
  2. Step 2: Convert to fraction form
    16,705.29/25,070.09 = 13,457.61/x
  3. Step 3: Cross multiply
    16,705.29x = 25,070.09 × 13,457.61
  4. Step 4: Simplify right side
    16,705.29x = 337,383,426.60
  5. Step 5: Solve for x
    x = 337,383,426.60/16,705.29
  6. Step 6: Final answer
    x = 20,196.20

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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.