Home / 19,535.82-26,953.10-11,978.37

Finding the Fourth Proportional to 19,535.82, 26,953.10 and 11,978.37

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Solution

The fourth proportional to 19,535.82, 26,953.10 and 11,978.37 is: 16,526.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,535.82 : 26,953.10 = 11,978.37 : x
  2. Step 2: Convert to fraction form
    19,535.82/26,953.10 = 11,978.37/x
  3. Step 3: Cross multiply
    19,535.82x = 26,953.10 × 11,978.37
  4. Step 4: Simplify right side
    19,535.82x = 322,854,144.56
  5. Step 5: Solve for x
    x = 322,854,144.56/19,535.82
  6. Step 6: Final answer
    x = 16,526.27

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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.