Home / 12,673.06-19,007.55-3,788.26

Finding the Fourth Proportional to 12,673.06, 19,007.55 and 3,788.26

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Solution

The fourth proportional to 12,673.06, 19,007.55 and 3,788.26 is: 5,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.06 : 19,007.55 = 3,788.26 : x
  2. Step 2: Convert to fraction form
    12,673.06/19,007.55 = 3,788.26/x
  3. Step 3: Cross multiply
    12,673.06x = 19,007.55 × 3,788.26
  4. Step 4: Simplify right side
    12,673.06x = 72,005,541.36
  5. Step 5: Solve for x
    x = 72,005,541.36/12,673.06
  6. Step 6: Final answer
    x = 5,681.78

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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.