Home / 43,254.25-64,883.70-13,669.84

Finding the Fourth Proportional to 43,254.25, 64,883.70 and 13,669.84

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Solution

The fourth proportional to 43,254.25, 64,883.70 and 13,669.84 is: 20,505.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,254.25 : 64,883.70 = 13,669.84 : x
  2. Step 2: Convert to fraction form
    43,254.25/64,883.70 = 13,669.84/x
  3. Step 3: Cross multiply
    43,254.25x = 64,883.70 × 13,669.84
  4. Step 4: Simplify right side
    43,254.25x = 886,949,797.61
  5. Step 5: Solve for x
    x = 886,949,797.61/43,254.25
  6. Step 6: Final answer
    x = 20,505.49

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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.