Home / 22,890.36-31,556.17-16,829.91

Finding the Fourth Proportional to 22,890.36, 31,556.17 and 16,829.91

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Solution

The fourth proportional to 22,890.36, 31,556.17 and 16,829.91 is: 23,201.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,890.36 : 31,556.17 = 16,829.91 : x
  2. Step 2: Convert to fraction form
    22,890.36/31,556.17 = 16,829.91/x
  3. Step 3: Cross multiply
    22,890.36x = 31,556.17 × 16,829.91
  4. Step 4: Simplify right side
    22,890.36x = 531,087,501.04
  5. Step 5: Solve for x
    x = 531,087,501.04/22,890.36
  6. Step 6: Final answer
    x = 23,201.36

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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.