Home / 43,904.64-65,863.30-14,315.16

Finding the Fourth Proportional to 43,904.64, 65,863.30 and 14,315.16

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Solution

The fourth proportional to 43,904.64, 65,863.30 and 14,315.16 is: 21,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,904.64 : 65,863.30 = 14,315.16 : x
  2. Step 2: Convert to fraction form
    43,904.64/65,863.30 = 14,315.16/x
  3. Step 3: Cross multiply
    43,904.64x = 65,863.30 × 14,315.16
  4. Step 4: Simplify right side
    43,904.64x = 942,843,677.63
  5. Step 5: Solve for x
    x = 942,843,677.63/43,904.64
  6. Step 6: Final answer
    x = 21,474.81

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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.