Home / 21,322.26-29,389.44-19,535.46

Finding the Fourth Proportional to 21,322.26, 29,389.44 and 19,535.46

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Solution

The fourth proportional to 21,322.26, 29,389.44 and 19,535.46 is: 26,926.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,322.26 : 29,389.44 = 19,535.46 : x
  2. Step 2: Convert to fraction form
    21,322.26/29,389.44 = 19,535.46/x
  3. Step 3: Cross multiply
    21,322.26x = 29,389.44 × 19,535.46
  4. Step 4: Simplify right side
    21,322.26x = 574,136,229.54
  5. Step 5: Solve for x
    x = 574,136,229.54/21,322.26
  6. Step 6: Final answer
    x = 26,926.61

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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.