Home / 22,301.75-33,417.12-11,771.39

Finding the Fourth Proportional to 22,301.75, 33,417.12 and 11,771.39

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Solution

The fourth proportional to 22,301.75, 33,417.12 and 11,771.39 is: 17,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,301.75 : 33,417.12 = 11,771.39 : x
  2. Step 2: Convert to fraction form
    22,301.75/33,417.12 = 11,771.39/x
  3. Step 3: Cross multiply
    22,301.75x = 33,417.12 × 11,771.39
  4. Step 4: Simplify right side
    22,301.75x = 393,366,079.88
  5. Step 5: Solve for x
    x = 393,366,079.88/22,301.75
  6. Step 6: Final answer
    x = 17,638.35

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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.