Home / 16,021.47-22,078.40-11,536.75

Finding the Fourth Proportional to 16,021.47, 22,078.40 and 11,536.75

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Solution

The fourth proportional to 16,021.47, 22,078.40 and 11,536.75 is: 15,898.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,021.47 : 22,078.40 = 11,536.75 : x
  2. Step 2: Convert to fraction form
    16,021.47/22,078.40 = 11,536.75/x
  3. Step 3: Cross multiply
    16,021.47x = 22,078.40 × 11,536.75
  4. Step 4: Simplify right side
    16,021.47x = 254,713,045.66
  5. Step 5: Solve for x
    x = 254,713,045.66/16,021.47
  6. Step 6: Final answer
    x = 15,898.23

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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.