Home / 19,525.72-26,945.49-12,456.22

Finding the Fourth Proportional to 19,525.72, 26,945.49 and 12,456.22

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Solution

The fourth proportional to 19,525.72, 26,945.49 and 12,456.22 is: 17,189.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,525.72 : 26,945.49 = 12,456.22 : x
  2. Step 2: Convert to fraction form
    19,525.72/26,945.49 = 12,456.22/x
  3. Step 3: Cross multiply
    19,525.72x = 26,945.49 × 12,456.22
  4. Step 4: Simplify right side
    19,525.72x = 335,638,951.45
  5. Step 5: Solve for x
    x = 335,638,951.45/19,525.72
  6. Step 6: Final answer
    x = 17,189.58

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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.