Home / 14,420.76-21,629.29-4,561.04

Finding the Fourth Proportional to 14,420.76, 21,629.29 and 4,561.04

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Solution

The fourth proportional to 14,420.76, 21,629.29 and 4,561.04 is: 6,840.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.76 : 21,629.29 = 4,561.04 : x
  2. Step 2: Convert to fraction form
    14,420.76/21,629.29 = 4,561.04/x
  3. Step 3: Cross multiply
    14,420.76x = 21,629.29 × 4,561.04
  4. Step 4: Simplify right side
    14,420.76x = 98,652,056.86
  5. Step 5: Solve for x
    x = 98,652,056.86/14,420.76
  6. Step 6: Final answer
    x = 6,840.97

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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.