Home / 19,280.30-26,606.97-11,322.63

Finding the Fourth Proportional to 19,280.30, 26,606.97 and 11,322.63

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Solution

The fourth proportional to 19,280.30, 26,606.97 and 11,322.63 is: 15,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.30 : 26,606.97 = 11,322.63 : x
  2. Step 2: Convert to fraction form
    19,280.30/26,606.97 = 11,322.63/x
  3. Step 3: Cross multiply
    19,280.30x = 26,606.97 × 11,322.63
  4. Step 4: Simplify right side
    19,280.30x = 301,260,876.73
  5. Step 5: Solve for x
    x = 301,260,876.73/19,280.30
  6. Step 6: Final answer
    x = 15,625.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.