Home / 12,949.74-19,425.06-4,630.32

Finding the Fourth Proportional to 12,949.74, 19,425.06 and 4,630.32

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Solution

The fourth proportional to 12,949.74, 19,425.06 and 4,630.32 is: 6,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949.74 : 19,425.06 = 4,630.32 : x
  2. Step 2: Convert to fraction form
    12,949.74/19,425.06 = 4,630.32/x
  3. Step 3: Cross multiply
    12,949.74x = 19,425.06 × 4,630.32
  4. Step 4: Simplify right side
    12,949.74x = 89,944,243.82
  5. Step 5: Solve for x
    x = 89,944,243.82/12,949.74
  6. Step 6: Final answer
    x = 6,945.64

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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.