Home / 14,103.92-21,155.04-6,310.64

Finding the Fourth Proportional to 14,103.92, 21,155.04 and 6,310.64

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Solution

The fourth proportional to 14,103.92, 21,155.04 and 6,310.64 is: 9,465.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.92 : 21,155.04 = 6,310.64 : x
  2. Step 2: Convert to fraction form
    14,103.92/21,155.04 = 6,310.64/x
  3. Step 3: Cross multiply
    14,103.92x = 21,155.04 × 6,310.64
  4. Step 4: Simplify right side
    14,103.92x = 133,501,841.63
  5. Step 5: Solve for x
    x = 133,501,841.63/14,103.92
  6. Step 6: Final answer
    x = 9,465.58

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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.