Home / 14,321.36-21,483.88-5,555.14

Finding the Fourth Proportional to 14,321.36, 21,483.88 and 5,555.14

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Solution

The fourth proportional to 14,321.36, 21,483.88 and 5,555.14 is: 8,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.36 : 21,483.88 = 5,555.14 : x
  2. Step 2: Convert to fraction form
    14,321.36/21,483.88 = 5,555.14/x
  3. Step 3: Cross multiply
    14,321.36x = 21,483.88 × 5,555.14
  4. Step 4: Simplify right side
    14,321.36x = 119,345,893.55
  5. Step 5: Solve for x
    x = 119,345,893.55/14,321.36
  6. Step 6: Final answer
    x = 8,333.42

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1.5x scale

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.