Home / 14,419.76-21,633.35-4,931.96

Finding the Fourth Proportional to 14,419.76, 21,633.35 and 4,931.96

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Solution

The fourth proportional to 14,419.76, 21,633.35 and 4,931.96 is: 7,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.76 : 21,633.35 = 4,931.96 : x
  2. Step 2: Convert to fraction form
    14,419.76/21,633.35 = 4,931.96/x
  3. Step 3: Cross multiply
    14,419.76x = 21,633.35 × 4,931.96
  4. Step 4: Simplify right side
    14,419.76x = 106,694,684.04
  5. Step 5: Solve for x
    x = 106,694,684.04/14,419.76
  6. Step 6: Final answer
    x = 7,399.20

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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.