Home / 19,398.72-26,768.64-11,016.48

Finding the Fourth Proportional to 19,398.72, 26,768.64 and 11,016.48

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Solution

The fourth proportional to 19,398.72, 26,768.64 and 11,016.48 is: 15,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.72 : 26,768.64 = 11,016.48 : x
  2. Step 2: Convert to fraction form
    19,398.72/26,768.64 = 11,016.48/x
  3. Step 3: Cross multiply
    19,398.72x = 26,768.64 × 11,016.48
  4. Step 4: Simplify right side
    19,398.72x = 294,896,187.19
  5. Step 5: Solve for x
    x = 294,896,187.19/19,398.72
  6. Step 6: Final answer
    x = 15,201.84

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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.