Home / 21,923.57-32,893.64-13,164.59

Finding the Fourth Proportional to 21,923.57, 32,893.64 and 13,164.59

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Solution

The fourth proportional to 21,923.57, 32,893.64 and 13,164.59 is: 19,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.57 : 32,893.64 = 13,164.59 : x
  2. Step 2: Convert to fraction form
    21,923.57/32,893.64 = 13,164.59/x
  3. Step 3: Cross multiply
    21,923.57x = 32,893.64 × 13,164.59
  4. Step 4: Simplify right side
    21,923.57x = 433,031,284.21
  5. Step 5: Solve for x
    x = 433,031,284.21/21,923.57
  6. Step 6: Final answer
    x = 19,751.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.