Home / 17,821.40-26,699.70-14,516.60

Finding the Fourth Proportional to 17,821.40, 26,699.70 and 14,516.60

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Solution

The fourth proportional to 17,821.40, 26,699.70 and 14,516.60 is: 21,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,821.40 : 26,699.70 = 14,516.60 : x
  2. Step 2: Convert to fraction form
    17,821.40/26,699.70 = 14,516.60/x
  3. Step 3: Cross multiply
    17,821.40x = 26,699.70 × 14,516.60
  4. Step 4: Simplify right side
    17,821.40x = 387,588,865.02
  5. Step 5: Solve for x
    x = 387,588,865.02/17,821.40
  6. Step 6: Final answer
    x = 21,748.51

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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.