Home / 14,543.01-21,821.81-5,780.43

Finding the Fourth Proportional to 14,543.01, 21,821.81 and 5,780.43

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Solution

The fourth proportional to 14,543.01, 21,821.81 and 5,780.43 is: 8,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.01 : 21,821.81 = 5,780.43 : x
  2. Step 2: Convert to fraction form
    14,543.01/21,821.81 = 5,780.43/x
  3. Step 3: Cross multiply
    14,543.01x = 21,821.81 × 5,780.43
  4. Step 4: Simplify right side
    14,543.01x = 126,139,416.28
  5. Step 5: Solve for x
    x = 126,139,416.28/14,543.01
  6. Step 6: Final answer
    x = 8,673.54

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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.