Home / 14,308.82-21,459.12-4,946.39

Finding the Fourth Proportional to 14,308.82, 21,459.12 and 4,946.39

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Solution

The fourth proportional to 14,308.82, 21,459.12 and 4,946.39 is: 7,418.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.82 : 21,459.12 = 4,946.39 : x
  2. Step 2: Convert to fraction form
    14,308.82/21,459.12 = 4,946.39/x
  3. Step 3: Cross multiply
    14,308.82x = 21,459.12 × 4,946.39
  4. Step 4: Simplify right side
    14,308.82x = 106,145,176.58
  5. Step 5: Solve for x
    x = 106,145,176.58/14,308.82
  6. Step 6: Final answer
    x = 7,418.16

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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.