Home / 14,949.12-22,443.12-9,778.08

Finding the Fourth Proportional to 14,949.12, 22,443.12 and 9,778.08

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Solution

The fourth proportional to 14,949.12, 22,443.12 and 9,778.08 is: 14,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949.12 : 22,443.12 = 9,778.08 : x
  2. Step 2: Convert to fraction form
    14,949.12/22,443.12 = 9,778.08/x
  3. Step 3: Cross multiply
    14,949.12x = 22,443.12 × 9,778.08
  4. Step 4: Simplify right side
    14,949.12x = 219,450,622.81
  5. Step 5: Solve for x
    x = 219,450,622.81/14,949.12
  6. Step 6: Final answer
    x = 14,679.84

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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.