Home / 21,701.00-29,952.86-12,275.03

Finding the Fourth Proportional to 21,701.00, 29,952.86 and 12,275.03

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Solution

The fourth proportional to 21,701.00, 29,952.86 and 12,275.03 is: 16,942.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,701.00 : 29,952.86 = 12,275.03 : x
  2. Step 2: Convert to fraction form
    21,701.00/29,952.86 = 12,275.03/x
  3. Step 3: Cross multiply
    21,701.00x = 29,952.86 × 12,275.03
  4. Step 4: Simplify right side
    21,701.00x = 367,672,268.59
  5. Step 5: Solve for x
    x = 367,672,268.59/21,701.00
  6. Step 6: Final answer
    x = 16,942.64

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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.